US2872183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanisms
Assignee: R V HARTY CO Inc
•
Filing: 1956-03-12
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Granted: 1959-02-03
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Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph V Harty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:58
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/635; E05F15/665; E05F15/40; E05F15/41; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/622; E05Y2201/674; E05Y2600/00; E05Y2600/10; E05Y2600/11; E05Y2600/40; E05Y2600/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |