US3590485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental implant
Assignee: Individual
•
Filing: 1969-10-01
•
Granted: 1971-07-06
•
Expires: 1989-10-01
Abstract
Abstract Dental implant comprising a central metallic rod encircled by a sleeve of solid animal tooth.
Inventors
- 👤 Raphael Chercheve
- 👤 Michel Chercheve
- 👤 Robert Bordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0012; A61C8/0018; A61C8/0022; A61C8/0048; A61C8/0075
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
18 words
Dental implant comprising a central metallic core encircled by an annular member cut from a solid animal tooth.
Claim 2
Dependent Claim
18 words
Dental implant comprising a central metallic core encircled by an annular member cut from a solid animal tooth.
Claim 3
Dependent Claim
15 words
Implant as claimed in claim 1 in which said animal tooth is a human tooth.
Claim 4
Dependent Claim
23 words
Implant as claimed in claim 1 in which the outer end of the annular member is larger in diameter than its inner end.
Claim 5
Dependent Claim
17 words
Implant as claimed in claim 1 in which said annular member is provided with a peripheral thread.
Claim 6
Dependent Claim
26 words
Implant as claimed in claim 1 having a portion adapted to be seated in a tooth socket, which portion is from 20 to 40 mm. long.
Claim 7
Dependent Claim
26 words
Implant as claimed in claim 1 having a portion of said implant designed to project from a tooth socket, which portion is about 4 mm. high.
Claim 8
Dependent Claim
16 words
Implant as claimed in claim 1 having an outer diameter of between 4 and 6 mm.
Claim 9
Dependent Claim
19 words
Implant as claimed in claim 1 in which the diameter of said core is between 2 and 4 mm.
Claim 10
Dependent Claim
24 words
Implant as claimed in claim 1 in which the diameter of the inner end of the metallic core is between 1.5 and 2.5 mm.
Claim 11
Dependent Claim
27 words
Implant as claimed in claim 1 in which said metallic core is slightly conical and its outer end has a diameter slightly greater than its inner end.
Claim 12
Dependent Claim
29 words
Implant as claimed in claim 1 in which said metallic core is provided with an external thread by means of which it may be screwed into said annular member.
References Cited (Backward Citations)
US2347567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |