US2654322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Individual
•
Filing: 1948-09-15
•
Granted: 1953-10-06
•
Expires: 1968-09-15
Abstract
No abstract record available.
Inventors
- 👤 Horace W Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:15
CPC Classifications
F; F04; F04D; F04D11/00; F04D11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US32372A
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US174373A
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US351129A
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US1347512A
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US2052155A
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US2324168A
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US2331641A
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US2418194A
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US2475247A
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US2582413A
Cited
US2482325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |