Patent US1146654A successfully refreshed from Google Patents.
US4549560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curling appliance with elastomer material covering heating element
Assignee: ANDIS Co A CORP OF WI
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Filing: 1984-03-19
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Granted: 1985-10-29
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Expires: 2004-03-19
Abstract
Abstract A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from the handle and including an outer surface, and an outer covering which is made of elastomer material and which substantially covers the outer surface of the metal cylinder.
Inventors
- 👤 Matthew L. Andis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:40
CPC Classifications
A; A45; A45D; A45D1/00; A45D1/02; A45D1/04
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
46 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of elastomer material and which substantially covers said outer surface of said metal cylinder.
Claim 2
Dependent Claim
46 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of elastomer material and which substantially covers said outer surface of said metal cylinder.
Claim 3
Dependent Claim
19 words
A hair curling appliance in accordance with claim 1 wherein said outer covering is attached to said metal cylinder.
Claim 4
Dependent Claim
53 words
A hair curling appliance according to claim 1 wherein said heating element further includes an intermediate metal tube which includes an outer surface and which is removably telescopically received on said metal cylinder, and wherein said outer covering is attached to and also substantially covers said outer surface of said intermediate metal tube.
Claim 5
Dependent Claim
21 words
A hair curling appliance in accordance with claim 3 wherein said intermediate metal tube is slidable relative to said metal cylinder.
Claim 6
Dependent Claim
22 words
A hair curling appliance in accordance with claim 1 and further including a clamping assembly for clamping hair to said heating element.
Claim 7
Dependent Claim
17 words
A hair curling appliance in accordance with claim 1 wherein said elastomer material is an elastomeric plastic.
Claim 8
Dependent Claim
30 words
A hair curling appliance in accordance with claim 6 wherein said elastomeric plastic is a thermoplastic polyefinic compound with a hardness ranging between 73 shore A and 50 shore D.
Claim 9
Dependent Claim
19 words
A hair curling appliance in accordance with claim 1 wherein said outer covering includes a generally smooth outer surface.
Claim 10
Dependent Claim
55 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of an elastomeric plastic and which substantially covers said outer surface of said metal cylinder, and which includes a generally smooth outer surface.
Claim 11
Dependent Claim
55 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of an elastomeric plastic and which substantially covers said outer surface of said metal cylinder, and which includes a generally smooth outer surface.
Claim 12
Dependent Claim
19 words
A hair curling appliance in accordance with claim 9 wherein said outer covering is attached to said metal cylinder.
Claim 13
Dependent Claim
53 words
A hair curling appliance according to claim 9 wherein said heating element further includes an intermediate metal tube which includes an outer surface and which is removably telescopically received on said metal cylinder, and wherein said outer covering is attached to and also substantially covers said outer surface of said intermediate metal tube.
Claim 14
Dependent Claim
21 words
A hair curling appliance in accordance with claim 11 wherein said intermediate metal tube is slidable relative to said metal cylinder.
Claim 15
Dependent Claim
22 words
A hair curling appliance in accordance with claim 9 and further including a clamping assembly for clamping hair to said heating element.
Claim 16
Dependent Claim
68 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of a thermoplastic polyefinic compound with a hardness ranging between 73 shore A and 50 shore D and which substantially covers said outer surface of said metal cylinder, and which includes a generally smooth outer surface.
Claim 17
Dependent Claim
68 words
A hair curling appliance including a handle, and a heating element including a metal cylinder fixedly extending from said handle and including an outer surface, and an outer covering which is made of a thermoplastic polyefinic compound with a hardness ranging between 73 shore A and 50 shore D and which substantially covers said outer surface of said metal cylinder, and which includes a generally smooth outer surface.
Claim 18
Dependent Claim
19 words
A hair curling appliance in accordance with claim 14 wherein said outer covering is attached to said metal cylinder.
Claim 19
Dependent Claim
53 words
A hair curling appliance according to claim 14 wherein said heating element further includes an intermediate metal tube which includes an outer surface and which is removably telescopically received on said metal cylinder, and wherein said outer covering is attached to and also substantially covers said outer surface of said intermediate metal tube.
Claim 20
Dependent Claim
21 words
A hair curling appliance in accordance with claim 16 wherein said intermediate metal tube is slidable relative to said metal cylinder.
Claim 21
Dependent Claim
22 words
A hair curling appliance in accordance with claim 14 and further including a clamping assembly for clamping hair to said heating element.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-28 | 1989-04-29 | 1989-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-28 | 1993-04-29 | 1993-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-28 | 1997-04-29 | 1997-10-29 | $7700.00 | Window Closed / Lapsed |