Patent US3193094A successfully refreshed from Google Patents.
US3193094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental wedges and package thereof
Assignee: Individual
•
Filing: 1961-03-20
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Granted: 1965-07-06
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Robert J Schulstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:05
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/80; A61C5/88
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
A DENTAL WEDGE COMPRISING AN ELONGATED BODY OF PLASTIC MATERIAL THAT IS FLEXIBLE AND RESILIENT, SAID BODY HAVING ESSENTIALLY THREE LONGITUDINALLY EXTENDING SIDES AND TAPERING FROM A BUTT END TO A POINTED END, AND AN ELONGATED GROVE ALONG ONE SIDE OF THE BODY PROGRESSING FROM ADJACENT THE POINTED END TO ADJACENT THE BUTT END OF THE BODY, THE OTHER TWO SIDES OF SAID BODY HAVING CONCAVE FACES AND ADJACENT WHERE THEY JOIN WITH SAID ONE SIDE BEING RESILIENTLY DEFORMABLE INTO THE SPACE WITHIN THE GROOVE ON PRESSURE BEING APPLIED THEREAGAINST, THE WEDGE ADJACENT THE BUTT END OF SAID BODY HAVING A PORTION FOR GRIPPING ON TO THE WEDGE WITH AN INSTRUMENT, AND MEANS BEYOND SAID PORTION, PROGRESSING AWAY FROM SAID POINTED ONE OF THE BODY, MEANS DEFINING A GRIP SHOULDER WHEREBY AN INSTRUMENT IS INHIBITED FROM FLIPPING OFF THE WEDGE, THE ENABLE POSITIVE GRIPPING OF THE WEDGE ON ITS REMOVAL FROM BETWEEN TWO TEETH.
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |