US2767362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor braking system
Assignee: General Electric Co
•
Filing: 1952-02-15
•
Granted: 1956-10-16
•
Expires: 1972-02-15
Abstract
No abstract record available.
Inventors
- 👤 William H Beaubien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
H; H02; H02P; H02P3/00; H02P3/06; H02P3/18; H02P3/24; H02P3/08; H02P3/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2168373A
Cited
US1411712A
Cited
US1295498A
Cited
US2264990A
Cited
US2434919A
Cited
US2477953A
Cited
US2445806A
Cited
US2512354A
Cited
US2565334A
Cited
US2702877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |