US3340449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction motor braking system
Assignee: Motors Liquidation Co
•
Filing: 1965-01-29
•
Granted: 1967-09-05
•
Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 James O Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
H; H02; H02P; H02P3/00; H02P3/06; H02P3/18; H02P3/22; H02P3/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3011112A
Cited
US1912463A
Cited
US2181734A
Cited
US2791735A
Cited
US2922097A
Cited
US3071719A
Cited
US3281632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |