US3099539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold silicon alloy
Assignee: Alloys Unlimited Inc
•
Filing: 1962-01-11
•
Granted: 1963-07-30
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Tang Hamburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49988; Y10T29/49991; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
THE FOIL COMPRISING SUBSTANTIALLY 5.6% BY WEIGHT OF SILICON AND REMAINDER OF GOLD.
Claim 2
Dependent Claim
13 words
THE FOIL COMPRISING SUBSTANTIALLY 5.6% BY WEIGHT OF SILICON AND REMAINDER OF GOLD.
References Cited (Backward Citations)
US2747971A
Cited
US2877147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |