US2635549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump with separable impeller casing
Assignee: Gorman Rupp Co
•
Filing: 1947-05-29
•
Granted: 1953-04-21
•
Expires: 1967-05-29
Abstract
No abstract record available.
Inventors
- 👤 Rupp Warren Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/16; F04D29/165; F04D29/167; F04D29/60; F04D29/62; F04D29/628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1545506A
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US1697487A
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US1707613A
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GB372059A
Cited
US2184349A
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US2265448A
Cited
US2365058A
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US2442135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |