Patent US4585666A successfully refreshed from Google Patents.
US3255992A
Expired / Lapsed
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Dental mold posts
Assignee: BRIAN O
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Filing: 1965-04-20
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Granted: 1966-06-14
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Expires: 1985-04-20
Abstract
No abstract record available.
Inventors
- 👤 Daniel D Kersten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:34
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A DENTAL MOLD POST WHICH COMPRISES: A TAPERED POST HAVING A LARGE END AND A SMALL END; MEANS FOR SECURING SAID POST TO A CASTABLE COMPOSITION ATTACHED TO THE LARGE END OF SAID POST SO AS TO EXTEND THEREFORM; AND AT LEAST TWO MOVABLE LEGS ATTACHED TO THE SMALL END OF SAID MOLD POST, EACH OF SAID LEGS EXTENDING OUTWARDLY FROM SAID SMALL END AND GENERALLY ALONG THE LENGTH OF SAID POST.
Claim 2
Dependent Claim
72 words
A DENTAL MOLD POST WHICH COMPRISES: A TAPERED POST HAVING A LARGE END AND A SMALL END; MEANS FOR SECURING SAID POST TO A CASTABLE COMPOSITION ATTACHED TO THE LARGE END OF SAID POST SO AS TO EXTEND THEREFORM; AND AT LEAST TWO MOVABLE LEGS ATTACHED TO THE SMALL END OF SAID MOLD POST, EACH OF SAID LEGS EXTENDING OUTWARDLY FROM SAID SMALL END AND GENERALLY ALONG THE LENGTH OF SAID POST.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |