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US765935A
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US
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Multistage centrifugal, turbine, or similar pump.
Assignee: HENRY R WORTHINGTON
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Filing: 1903-10-01
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Granted: 1904-07-26
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Expires: 1923-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:15
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/009; F04D15/00; F04D15/0072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1907-07-26 | 1908-01-25 | 1908-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-07-26 | 1912-01-25 | 1912-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-07-26 | 1916-01-25 | 1916-07-26 | $7700.00 | Window Closed / Lapsed |