US2687012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump and motor hydraulic transmission
Assignee: GLENN HYDRAULIC MANUFACTURING Co
•
Filing: 1948-05-28
•
Granted: 1954-08-24
•
Expires: 1968-05-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:40
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US932435A
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US1203745A
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US1365553A
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US1914622A
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US2159941A
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US2226481A
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US2384218A
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US2524278A
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US2443074A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |