US2688951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid motor
Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1951-12-28
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Granted: 1954-09-14
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Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 Richard E Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:52
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/068; B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18624; Y10T74/1864; Y10T74/18656; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243450A
Cited
US547459A
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US1208115A
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GB470099A
Cited
US2509472A
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US2375029A
Cited
US2493602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |