US2770034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coining and cupping metal
Assignee: Individual
•
Filing: 1952-03-14
•
Granted: 1956-11-13
•
Expires: 1972-03-14
Abstract
No abstract record available.
Inventors
- 👤 Lyon George Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:47
CPC Classifications
B; B21; B21D; B21D35/00; B21D35/002; B21D35/005; B21D35/006; B21D22/00; B21D22/20; B21D22/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US457767A
Cited
US2028996A
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US965039A
Cited
US1558419A
Cited
US2301565A
Cited
US2343253A
Cited
US2360354A
Cited
US2415940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |