US2065219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broaching machine
Assignee: Oilgear Co
•
Filing: 1935-09-16
•
Granted: 1936-12-22
•
Expires: 1955-09-16
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/04; B23D37/06; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/40455; Y10T409/4056
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) | 1939-12-22 | 1940-06-22 | 1940-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-22 | 1944-06-22 | 1944-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-22 | 1948-06-22 | 1948-12-22 | $7700.00 | Window Closed / Lapsed |