Patent US3303783A successfully refreshed from Google Patents.
US3303783A
Expired / Lapsed
US
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Fluid pump apparatus
Assignee: Tuthill Pump Co
•
Filing: 1964-07-01
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Granted: 1967-02-14
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Third National Bank An Company
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:24
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR578962A
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GB476515A
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US2225228A
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US2434135A
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US2490391A
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US2525619A
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US2650544A
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US2829602A
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US3011447A
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US3016834A
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US2940399A
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US3128707A
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US3165066A
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |