US2872778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion powered fluid motor and hydraulic propulsion system
Assignee: Individual
•
Filing: 1955-12-27
•
Granted: 1959-02-10
•
Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Harold B Dane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:07
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/045; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US716794A
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US714180A
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US1021241A
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US2423720A
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US2344465A
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US2452194A
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US2593185A
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US2471109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |