US2544055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable throw crankshaft piston type radial pump
Assignee: Individual
•
Filing: 1946-12-11
•
Granted: 1951-03-06
•
Expires: 1966-12-11
Abstract
No abstract record available.
Inventors
- 👤 Franklin E Staats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:07
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F04B1/0531; F04B1/06; F04B1/07; F04B49/00; F04B49/12; F04B49/123; F04B49/125; F04B49/126; F16; F16C; F16C3/00; F16C3/04; F16C3/22; F16C3/28; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE388833C
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US1212791A
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US1149728A
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US1630168A
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GB168488A
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US1645420A
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US2215488A
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US1996938A
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US2186395A
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GB514249A
Cited
US2257854A
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US2266003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |