US3520233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low friction radial piston pump or motor
Assignee: Individual
•
Filing: 1969-01-30
•
Granted: 1970-07-14
•
Expires: 1989-01-30
Abstract
No abstract record available.
Inventors
- 👤 Jaromir Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:10
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0438; F01; F01B; F01B1/00; F01B1/06; F01B1/0641; F01B1/0668; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F01B13/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB267102A
Cited
US2001706A
Cited
DE686067C
Cited
US2510247A
Cited
US2474536A
Cited
US2972961A
Cited
US3392631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |