Patent US2655110A successfully refreshed from Google Patents.
US2655110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pump
Assignee: Individual
•
Filing: 1951-01-11
•
Granted: 1953-10-13
•
Expires: 1971-01-11
Abstract
No abstract record available.
Inventors
- 👤 William L Sanborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:38
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2333323A
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US2255785A
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US2411602A
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US2409477A
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US2549714A
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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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |