US2841025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive means for broaching machines and the like
Assignee: Detroit Broach and Machine Co
•
Filing: 1957-03-25
•
Granted: 1958-07-01
•
Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Chayka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:08
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/56; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/385; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1569862A
Cited
US2444734A
Cited
US2424564A
Cited
US2533043A
Cited
US2751822A
Cited
US2703497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |