US2765751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Individual
•
Filing: 1953-01-21
•
Granted: 1956-10-09
•
Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
- 👤 Osius Adolph Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:44
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146; F04B1/122; F04B1/124; F04B1/26; F04B1/28; F04B1/29; F04B1/295; F04B43/00; F04B43/0009; F04B43/0045; F04B53/00; F04B53/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US486839A
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GB425331A
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FR766581A
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US2197915A
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US2392543A
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US2309260A
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US2381585A
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US2354958A
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US2392279A
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US2714853A
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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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |