US1830787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cap nut and method of making the same
Assignee: Individual
•
Filing: 1928-02-08
•
Granted: 1931-11-10
•
Expires: 1948-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ferry Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:01
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/704; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945
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) | 1934-11-09 | 1935-05-11 | 1935-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-09 | 1939-05-11 | 1939-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-09 | 1943-05-11 | 1943-11-10 | $7700.00 | Window Closed / Lapsed |