US3294099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush-type hair curler having self-sterilizing bristles
Assignee: MERLYN O LARSON
•
Filing: 1964-05-19
•
Granted: 1966-12-27
•
Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Warthen
- 👤 Seely Loren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:45
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/2464; A45D2/2471
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A HAIR CURLER COMPRISING WIRE SPRING, A PLASTIC MESH BODY SUPPORTED BY AND SURROUNDING SAID SPRING, AND A BRUSH DISPOSED WITHIN SAID SPRING AND HAVING BRISTLES THE ENDS OF WHICH EXTEND THROUGH SAID MESH, SAID BRUSH BEING MADE OF SELF-STERILIZING BRISTLES COMPRISING A FILAMENTARY SYNTHETIC RESINOUS MATERIAL HAVING INCORPORATED THEREIN A SMALL PERCENTAGE OF A POWDERED BACTERICIDAL AGENT WHICH IS PARTIALLY INCOMPATIBLE WITH SAID SYNTHETIC RESINOUS MATERIAL.
Claim 2
Dependent Claim
67 words
A HAIR CURLER COMPRISING WIRE SPRING, A PLASTIC MESH BODY SUPPORTED BY AND SURROUNDING SAID SPRING, AND A BRUSH DISPOSED WITHIN SAID SPRING AND HAVING BRISTLES THE ENDS OF WHICH EXTEND THROUGH SAID MESH, SAID BRUSH BEING MADE OF SELF-STERILIZING BRISTLES COMPRISING A FILAMENTARY SYNTHETIC RESINOUS MATERIAL HAVING INCORPORATED THEREIN A SMALL PERCENTAGE OF A POWDERED BACTERICIDAL AGENT WHICH IS PARTIALLY INCOMPATIBLE WITH SAID SYNTHETIC RESINOUS MATERIAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |