US2677238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor and system
Assignee: Greer Hydraulics Inc
•
Filing: 1949-05-02
•
Granted: 1954-05-04
•
Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edward M Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:11
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/15; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780614A
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US1450372A
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US1982711A
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US2239566A
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US2214817A
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US2264375A
Cited
US2549897A
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US2579116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |