US3286350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dowel and clip assembly and its use in the manufacture of dental restorations
Assignee: Individual
•
Filing: 1963-08-26
•
Granted: 1966-11-22
•
Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Abraham J Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A DOWEL AND CLIP ASSEMBLY FOR SUPPORTING AND POSITIONING WITHIN A MODEL, ARTIFICAL TEETH DIES PREPARED IN THE MANUFACTURE OF DENTAL RESTORATIONS COMPRISING AN ELONGATED DOWEL MEMBER OF SUBSTANTIALLY CONICAL SHAPE, AN ELONGATED FLATTENED PORTION ON A DOWEL, A TOOTH DIE LIKE CLIP MEMBER RECEIVING THE CONICAL PORTION OF THE LIKE CLIP MEMBER RECEIVING THE CONICAL PORTION OF THE
Claim 2
Dependent Claim
59 words
A DOWEL AND CLIP ASSEMBLY FOR SUPPORTING AND POSITIONING WITHIN A MODEL, ARTIFICAL TEETH DIES PREPARED IN THE MANUFACTURE OF DENTAL RESTORATIONS COMPRISING AN ELONGATED DOWEL MEMBER OF SUBSTANTIALLY CONICAL SHAPE, AN ELONGATED FLATTENED PORTION ON A DOWEL, A TOOTH DIE LIKE CLIP MEMBER RECEIVING THE CONICAL PORTION OF THE LIKE CLIP MEMBER RECEIVING THE CONICAL PORTION OF THE
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |