Patent US3254412A successfully refreshed from Google Patents.
US3254412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental prosthesis extractor device
Assignee: Individual
•
Filing: 1963-03-20
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Granted: 1966-06-07
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Armao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:42
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C3/00; A61C3/16; A61C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A DENTAL PROSTHESIS EXTRACTOR DEVICE COMPRISING AN EXTRACTOR BODY, A RAPPING COMPONENT HAVING TWO ELMENTS LINEARLY SLIDABLY ATTACHED TO EACH OTHER POSITIONED AT ONE END OF SAID EXTRACTOR BODY, TWO SUBSTANTIALLY PARALLEL ARMS EXTENDING FROM THE OTHER END OF SAID BODY AND HAVING HOLES IN THE ENDS OF SAID ARMS, AND A REMOVABLY PIN HAVING AN ENLARGED HEAD AND ADAPTED, WHEN SAID HOLES IN SAID TWO ARMS ARE POSITIONED ON OPPSITE SIDES OF THE EMBRASURE SPACE BETWEEN A DENTAL CROWN BRIDGE AND THE GUM ADJACENT TO IT, TO BE PASSED CONSECTIVELY THROUGH THE HOLE IN ONE OF SAID ARMS, THROUGH SAID EMBRASURE SPACE AND THEN THROUGH THE HOLE IN THE OTHER OF SAID ARMS UNTIL SAID ENLARGED HEAD CONTACTS IN THE FIRST OF SAID ARMS AND THEREBY POSITIONS AND RETAINS SAID PIN IN SAID HOLES, SAID EXTRACTOR BODY BEING ATTACHED TO ONE OF SAID SLIDABLE ELEMENTS OF SAID RIPPING COMPONENT SO THAT AN INTERMITTENT FORCE CAN BE IMPARTED TO SAID EXTRACTOR BODY AND THROUGH SAID ARMS OF SAID BODY AND SAID PIN TO SAID DENTAL CROWN BRIDGE.
Claim 2
Dependent Claim
177 words
A DENTAL PROSTHESIS EXTRACTOR DEVICE COMPRISING AN EXTRACTOR BODY, A RAPPING COMPONENT HAVING TWO ELMENTS LINEARLY SLIDABLY ATTACHED TO EACH OTHER POSITIONED AT ONE END OF SAID EXTRACTOR BODY, TWO SUBSTANTIALLY PARALLEL ARMS EXTENDING FROM THE OTHER END OF SAID BODY AND HAVING HOLES IN THE ENDS OF SAID ARMS, AND A REMOVABLY PIN HAVING AN ENLARGED HEAD AND ADAPTED, WHEN SAID HOLES IN SAID TWO ARMS ARE POSITIONED ON OPPSITE SIDES OF THE EMBRASURE SPACE BETWEEN A DENTAL CROWN BRIDGE AND THE GUM ADJACENT TO IT, TO BE PASSED CONSECTIVELY THROUGH THE HOLE IN ONE OF SAID ARMS, THROUGH SAID EMBRASURE SPACE AND THEN THROUGH THE HOLE IN THE OTHER OF SAID ARMS UNTIL SAID ENLARGED HEAD CONTACTS IN THE FIRST OF SAID ARMS AND THEREBY POSITIONS AND RETAINS SAID PIN IN SAID HOLES, SAID EXTRACTOR BODY BEING ATTACHED TO ONE OF SAID SLIDABLE ELEMENTS OF SAID RIPPING COMPONENT SO THAT AN INTERMITTENT FORCE CAN BE IMPARTED TO SAID EXTRACTOR BODY AND THROUGH SAID ARMS OF SAID BODY AND SAID PIN TO SAID DENTAL CROWN BRIDGE.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |