US2371053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching machine
Assignee: American Broach & Machine Co
•
Filing: 1942-02-18
•
Granted: 1945-03-06
•
Expires: 1962-02-18
Abstract
No abstract record available.
Inventors
- 👤 Francis J Lapointe
- 👤 John W Podesta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:10
CPC Classifications
B; B23; B23F; B23F1/00; B23F1/08; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/109063; Y10T409/109222
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-03-05 | 1948-09-04 | 1949-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-05 | 1952-09-04 | 1953-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-05 | 1956-09-04 | 1957-03-06 | $7700.00 | Window Closed / Lapsed |