US3749570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy for dental use
Assignee: Individual
•
Filing: 1971-05-26
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Granted: 1973-07-31
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Expires: 1991-05-26
Abstract
Abstract AN ALLOY FOR USE IN DENTISTRY COMPRISING NICKEL, CHROMIUM, MOLYBDENUM, ALUMINUM, BERYLLIUM AND CARBON; WHICH ALLOY POSSESSES PHYSICAL PROPERTIES ADAPTING THE SAME FOR EFFECTIVE REPLACEMENT OF THE HERETOFORE UTILIZED GOLD AND GOLD ALLOYS. SAID ALLOYS IS OF MARKED STRENGTH WHILE BEING RELATIVELY LIGHTWEIGHT SO AS TO PROVIDE RELATIVELY THIN RESTORATION DEVICES WHILE ASSURING OF A PRECISE AND ACCURATE FIT.
Inventors
- 👤 R Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055; A; A61; A61K; A61K6/00; A61K6/80; A61K6/84
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |