US2671404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine pump
Assignee: Individual
•
Filing: 1950-03-15
•
Granted: 1954-03-09
•
Expires: 1970-03-15
Abstract
No abstract record available.
Inventors
- 👤 Florin W Krueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144757A
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US1768241A
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US1760402A
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US2006590A
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US2045851A
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US2110530A
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US2220538A
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US2320663A
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US2283844A
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US2344956A
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US2396319A
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US2438442A
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US2515811A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |