US2003144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching tool
Assignee: Individual
•
Filing: 1933-10-27
•
Granted: 1935-05-28
•
Expires: 1953-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank F Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:15
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/18; F; F16; F16B; F16B2200/00; F16B2200/40; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
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) | 1938-05-27 | 1938-11-26 | 1939-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-27 | 1942-11-26 | 1943-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-27 | 1946-11-26 | 1947-05-28 | $7700.00 | Window Closed / Lapsed |