US3089242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding device for removable dental prosthesis
Assignee: Individual
•
Filing: 1961-06-05
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Granted: 1963-05-14
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Weissman Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:47
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/265; A61C13/2653; A61C13/2656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A HOLDING DEVICE FOR SECURING A REMOVABLE DENTURE TO A FIXED TOOTH COMPRISING, IN COMBINATION, A FIXED MEMBER ADAPTED TO BE SECURED TO THE SIDE OF A FIXED TOOTH, SAID FIXED MEMBER CONTAINING A VERTICAL CHANNEL, A LATERAL ENLARGEMENT IN THE LOWER END OF THE VERTICAL CHANNEL, AND A VERTICAL SLOT EXTENDING DOWNWARD FROM THE TOP OF SAID FIXED MEMBER BETWEEN THE FRONT SURFACE OF SAID FIXED MEMBER AND THE VERTICAL CHANNEL, AND A FREE MEMBER HAVING A BLOCK ADAPTED TO SLIDE DOWNWARD WITHIN THE VERTICAL CHANNEL IN SAID FIXED MEMBER, A SPLINE EXTENDING FROM SAID BLOCK THROUGH THE SLOT IN SAID FIXED MEMBER WHEN SAID BLOCK IS WITHIN SAID VERTICAL CHANNEL, SAID SPLINE ADAPTED TO BE FIXED TO SAID REMOVABLE DENTURE, AND A LOCKING SPRING FIXED TO SAID BLOCK HAVING A VERTICAL LOOP WIDER THAN THE CHANNEL ABOVE THE LATERAL ENLARGEMENT, SAID LOOP OF SAID LOCKING SPRING EXTENDING INTO THE LATERAL ENGAGEMENT IN THE BOTTOM OF THE VERTICAL CHANNEL SECURING SAID BLOCK WITHIN THE VERTICAL CHANNEL.
Claim 2
Dependent Claim
167 words
A HOLDING DEVICE FOR SECURING A REMOVABLE DENTURE TO A FIXED TOOTH COMPRISING, IN COMBINATION, A FIXED MEMBER ADAPTED TO BE SECURED TO THE SIDE OF A FIXED TOOTH, SAID FIXED MEMBER CONTAINING A VERTICAL CHANNEL, A LATERAL ENLARGEMENT IN THE LOWER END OF THE VERTICAL CHANNEL, AND A VERTICAL SLOT EXTENDING DOWNWARD FROM THE TOP OF SAID FIXED MEMBER BETWEEN THE FRONT SURFACE OF SAID FIXED MEMBER AND THE VERTICAL CHANNEL, AND A FREE MEMBER HAVING A BLOCK ADAPTED TO SLIDE DOWNWARD WITHIN THE VERTICAL CHANNEL IN SAID FIXED MEMBER, A SPLINE EXTENDING FROM SAID BLOCK THROUGH THE SLOT IN SAID FIXED MEMBER WHEN SAID BLOCK IS WITHIN SAID VERTICAL CHANNEL, SAID SPLINE ADAPTED TO BE FIXED TO SAID REMOVABLE DENTURE, AND A LOCKING SPRING FIXED TO SAID BLOCK HAVING A VERTICAL LOOP WIDER THAN THE CHANNEL ABOVE THE LATERAL ENLARGEMENT, SAID LOOP OF SAID LOCKING SPRING EXTENDING INTO THE LATERAL ENGAGEMENT IN THE BOTTOM OF THE VERTICAL CHANNEL SECURING SAID BLOCK WITHIN THE VERTICAL CHANNEL.
References Cited (Backward Citations)
US733320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |