US3153283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dowel pin assembly for dental dies
Assignee: Individual
•
Filing: 1962-01-12
•
Granted: 1964-10-20
•
Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Weissman Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:38
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/002; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A DOWEL PIN FOR USE IN PROSTHETIC DENTISTRY, SAID PIN HAVING A BASE, A HEAD EXTENDING UPWARDLY FROM SAID BASE AND A SHANK EXTENDING DOWNWARDLY FROM SAID BASE, SAID HEAD BEING OF REDUCED DIAMETER RELATIVE TO SAID SHANK AND HAVING A ROUNDED TIP, A VERTICAL RIB EXTENDING
Claim 2
Dependent Claim
47 words
A DOWEL PIN FOR USE IN PROSTHETIC DENTISTRY, SAID PIN HAVING A BASE, A HEAD EXTENDING UPWARDLY FROM SAID BASE AND A SHANK EXTENDING DOWNWARDLY FROM SAID BASE, SAID HEAD BEING OF REDUCED DIAMETER RELATIVE TO SAID SHANK AND HAVING A ROUNDED TIP, A VERTICAL RIB EXTENDING
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |