US2506526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloys and dentures made thereof
Assignee: CHROME GOLD ALLOYS Inc
•
Filing: 1948-01-05
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Granted: 1950-05-02
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Expires: 1968-01-05
Abstract
No abstract record available.
Inventors
- 👤 Dalmar A Tifft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
C; C22; C22C; C22C19/00; A; A61; A61K; A61K6/00; A61K6/80; A61K6/84; A61K6/844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN ALLOY CONSISTING OF A BASE ALLOY CONSISTING OF FROM 30% TO 40% OF NICKEL, FROM 20% TO 35% OF CHROMIUM AND FROM 20% TO 30% OF COBALT, SAID BASE ALLOY BEING MODIFIED BY THE ADDITION THERETO OF FROM 2% TO 25% OF GOLD.
Claim 2
Dependent Claim
44 words
AN ALLOY CONSISTING OF A BASE ALLOY CONSISTING OF FROM 30% TO 40% OF NICKEL, FROM 20% TO 35% OF CHROMIUM AND FROM 20% TO 30% OF COBALT, SAID BASE ALLOY BEING MODIFIED BY THE ADDITION THERETO OF FROM 2% TO 25% OF GOLD.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |