Patent US2950684A successfully refreshed from Google Patents.
US2950684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Dole Valve Co
•
Filing: 1958-01-06
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Granted: 1960-08-30
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Carl C Bauerlein
- 👤 Mullapudi M Reddi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:03
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F04B45/00; F04B45/04; F16; F16K; F16K15/00; F16K15/14; F16K15/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476546A
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US1119029A
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US1881939A
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US2018111A
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US2064750A
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US2094171A
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FR869325A
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FR922177A
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US2540328A
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US2786424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |