US2951450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Individual
•
Filing: 1956-04-17
•
Granted: 1960-09-06
•
Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 John C Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:34
CPC Classifications
F; F04; F04B; F04B15/00; F04B15/04; F04B11/00; F04B11/0008; F04B11/0033; F04B11/0091; F04B43/00; F04B43/0009; F04B43/0045; F04B43/08; F04B43/086; F04B53/00; F04B53/10; F04B53/1002; F04B53/101; F04B53/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL4270C
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DE360628C
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GB425500A
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US2316278A
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US2348538A
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US2430723A
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GB605039A
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GB695556A
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US2764999A
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FR1100067A
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US2811931A
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US2780065A
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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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |