US2640427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine pump
Assignee: Individual
•
Filing: 1950-06-07
•
Granted: 1953-06-02
•
Expires: 1970-06-07
Abstract
No abstract record available.
Inventors
- 👤 Victor J Domer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
F; F04; F04D; F04D3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL52266C
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US726259A
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US711968A
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US735690A
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US1051260A
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US1116570A
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US1167047A
Cited
US1199141A
Cited
US1746889A
Cited
US2080683A
Cited
US2219519A
Cited
US2337290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |