US2091736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface broaching machine
Assignee: Individual
•
Filing: 1935-11-18
•
Granted: 1937-08-31
•
Expires: 1955-11-18
Abstract
No abstract record available.
Inventors
- 👤 Francis J Lapointe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:29
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/06; B23D37/08; B23D37/12; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/40455; Y10T409/404725; Y10T409/405425
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) | 1940-08-30 | 1941-03-01 | 1941-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-30 | 1945-03-01 | 1945-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-30 | 1949-03-01 | 1949-08-31 | $7700.00 | Window Closed / Lapsed |