US2658342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive system
Assignee: Barber Greene Co
•
Filing: 1951-05-29
•
Granted: 1953-11-10
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Banister Guy
- 👤 Stephen Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:41
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; Y; Y10; Y10S; Y10S37/00; Y10S37/902; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192778A
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US2160596A
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US2247140A
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US2247141A
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US2527943A
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US2489435A
Cited
US2586932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |