Patent US1912889A successfully refreshed from Google Patents.
US1912889A
Expired / Lapsed
US
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Method of producing metallic dies
Assignee: Individual
•
Filing: 1931-03-17
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Granted: 1933-06-06
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Expires: 1951-03-17
Abstract
No abstract record available.
Inventors
- 👤 Kibbey W Couse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:17
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D17/2209; B22C; B22C7/00; B22F; B22F5/00; B22F5/007; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888
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) | 1936-06-05 | 1936-12-05 | 1937-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-05 | 1940-12-05 | 1941-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-05 | 1944-12-05 | 1945-06-06 | $7700.00 | Window Closed / Lapsed |