US2673685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent counter drive
Assignee: DURANT Manufacturing CO
•
Filing: 1951-01-29
•
Granted: 1954-03-30
•
Expires: 1971-01-29
Abstract
No abstract record available.
Inventors
- 👤 Walter W Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:26
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US225044A
Cited
US243500A
Cited
US1506939A
Cited
DE513969C
Cited
US2310114A
Cited
US2244601A
Cited
US2514788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |