Patent US2548481A successfully refreshed from Google Patents.
US786384A
Expired / Lapsed
US
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Turbine-pump.
Assignee: TURBINE PUMP Co
•
Filing: 1902-05-31
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Granted: 1905-04-04
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Expires: 1922-05-31
Abstract
No abstract record available.
Inventors
- 👤 John Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D29/444
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) | 1908-04-03 | 1908-10-03 | 1909-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-04-03 | 1912-10-03 | 1913-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-04-03 | 1916-10-03 | 1917-04-04 | $7700.00 | Window Closed / Lapsed |