US3785986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denture cleaner
Assignee: FANT RES CO
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Filing: 1972-06-28
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Granted: 1974-01-15
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Expires: 1992-06-28
Abstract
Abstract A DENTURE CLEANER IS PROVIDED WHICH IS NON-ABRASIVE AND IS HIGHLY EFFECTIVE FOR QUICKLY AND EASILY REMOVING STAINS AND TARTAR DEPOSITS FROM DENTURES EMBODYING PLASTIC OR PORCELAIN TEETH AND OTHER CONVENTIONAL MATERIALS USED IN DENTURES. THE CLEANER IS EFFECTIVE FOR CLEANING BOTH FULL AND REMOVABLE PARTIAL DENTURES, AS WELL AS FOR POLISHING GOLD OR CHROMIUM ALLOY CLASPS AND REMOVABLE ORTHODONTIC AND OTHER ORAL DENTAL APPLIANCES. THE CLEANER ALSO HAS HIGH STABILITY UNDER CONDITIONS INVOLVING BOTH HIGH AND LOW TEMPERATURES.
Inventors
- 👤 F Lauster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:28
CPC Classifications
C; C11; C11D; C11D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |