US2491034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving wheel carrier
Assignee: Individual
•
Filing: 1946-02-12
•
Granted: 1949-12-13
•
Expires: 1966-02-12
Abstract
No abstract record available.
Inventors
- 👤 Seth T Couch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:58
CPC Classifications
B; B61; B61J; B61J1/00; B61J1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1275716A
Cited
DE687558C
Cited
US2171093A
Cited
US2252534A
Cited
US2332443A
Cited
US2357633A
Cited
US2380415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |