US2429114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump
Assignee: Stewart Warner Corp
•
Filing: 1943-07-27
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Granted: 1947-10-14
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Expires: 1963-07-27
Abstract
No abstract record available.
Inventors
- 👤 John B Whitted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:17
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/027; F04D13/025; F04D13/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591395A
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US1324664A
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US792713A
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US1418427A
Cited
GB192618A
Cited
US2033577A
Cited
US2268807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |