Patent US3443655A successfully refreshed from Google Patents.
US3443655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized wheel assembly
Assignee: Westinghouse Air Brake Co
•
Filing: 1966-08-08
•
Granted: 1969-05-13
•
Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 William R Beck
- 👤 John S Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:39
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; B60K17/358; B60G; B60G3/00; B60G3/18; B60G3/20; B60K17/04; B60K17/043; B60K17/046; B60K17/14; B60K17/145; B62; B62D; B62D49/00; B62D49/06; B62D49/0692; B62D53/00; B62D53/02; B62D53/028; B62D7/00; B62D7/06; B62D7/14; B62D7/142; B62D7/144; E; E21; E21F; E21F13/00; E21F13/02; E21F13/025; B60G2200/00; B60G2200/10; B60G2200/14; B60G2200/144; B60G2200/40; B60G2200/422; B60G2200/44; B60G2300/00; B60G2300/14; B60G2300/38; B60G2300/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1417798A
Cited
US2258328A
Cited
US2430528A
Cited
US2726726A
Cited
US2899005A
Cited
US3055448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |