US2936717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear pump
Assignee: Individual
•
Filing: 1957-11-07
•
Granted: 1960-05-17
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Kalle Karl Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
F; F04; F04C; F04C13/00; F04C13/008; F04C15/00; F04C15/0003; F04C15/0007; F04C15/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US367374A
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US164147A
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US2105259A
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US2742862A
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US2817297A
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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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |