US2791918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive controlling and braking devices having selective automatic and manual brake control
Assignee: Joy Manufacturing Co
•
Filing: 1951-11-27
•
Granted: 1957-05-14
•
Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Carlton B Frellsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2353554A
Cited
US1146526A
Cited
US1619701A
Cited
US1869085A
Cited
US2365536A
Cited
US2378082A
Cited
US2409506A
Cited
US2389498A
Cited
US2523766A
Cited
US2475298A
Cited
US2567073A
Cited
US2580946A
Cited
US2503891A
Cited
US2596931A
Cited
US2580381A
Cited
US2535300A
Cited
US2635584A
Cited
US2712370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |