Patent US2695564A successfully refreshed from Google Patents.
US2695564A
Expired / Lapsed
US
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Priming device for pumps
Assignee: Individual
•
Filing: 1950-09-09
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Granted: 1954-11-30
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Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Perry I Nagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:30
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/04; F04D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US592561A
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US1199594A
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US1856537A
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US1867876A
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US2486288A
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US2468642A
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US2489636A
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US2466792A
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US2486649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |