US2839889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear pump type hydraulic transmission
Assignee: Individual
•
Filing: 1954-03-19
•
Granted: 1958-06-24
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:39
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/462; F16D; F16D31/00; F16D31/08; F16H61/44; F16H61/444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2359423A
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US2529437A
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US2629332A
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US2658343A
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US2680348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |