US3088207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cavity filling device
Assignee: Individual
•
Filing: 1961-03-03
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Granted: 1963-05-07
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Borsuk Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:25
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A DENTAL CAVITY FILLING DEVICE COMPRISING, A MANUALLY HELD HOUSING INCLUDING A CHAMBER AND A BARREL EXTENDING THEREFROM, A TUBULAR HOLDER FOR PLASTIC CAVITY FILLING MATERIAL DEMOUNTABLY POSITIONED IN SAID HOUSING IN COMMUNICATION WITH SAID CHAMBER, A PLUNGER MOVEABLE LONGITUDINALLY THROUGH SAID HOLDER FOR ADVANCING A COLUMN OF MATERIAL INTO SAID CHAMBER, A TUBE MOUNTED FOR RECIPROCATION IN SAID CHAMBER FOR MOVEMENT ACROSS SAID COLUMN TO SHEAR OFF AN INDIVIDUAL PELLET AND TO POSITION SAID PELLET IN REGISTRATION WITH SAID BARREL, AND A MANUALLY OPERATED VALVE MOUNTED FOR CONTROLLING THE ADMISSION OF GAS UNDER PRESSURE TO SAID CHAMBER FOR DRIVING SAID PELLET THORUGH SAID BARREL TO A TOOTH TO BE FILLED.
Claim 2
Dependent Claim
111 words
A DENTAL CAVITY FILLING DEVICE COMPRISING, A MANUALLY HELD HOUSING INCLUDING A CHAMBER AND A BARREL EXTENDING THEREFROM, A TUBULAR HOLDER FOR PLASTIC CAVITY FILLING MATERIAL DEMOUNTABLY POSITIONED IN SAID HOUSING IN COMMUNICATION WITH SAID CHAMBER, A PLUNGER MOVEABLE LONGITUDINALLY THROUGH SAID HOLDER FOR ADVANCING A COLUMN OF MATERIAL INTO SAID CHAMBER, A TUBE MOUNTED FOR RECIPROCATION IN SAID CHAMBER FOR MOVEMENT ACROSS SAID COLUMN TO SHEAR OFF AN INDIVIDUAL PELLET AND TO POSITION SAID PELLET IN REGISTRATION WITH SAID BARREL, AND A MANUALLY OPERATED VALVE MOUNTED FOR CONTROLLING THE ADMISSION OF GAS UNDER PRESSURE TO SAID CHAMBER FOR DRIVING SAID PELLET THORUGH SAID BARREL TO A TOOTH TO BE FILLED.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |