US3539282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear pump or motor
Assignee: Robert Bosch GmbH
•
Filing: 1969-04-14
•
Granted: 1970-11-10
•
Expires: 1989-04-14
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Forschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:20
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2714856A
Cited
US2748454A
Cited
US2876705A
Cited
US2809592A
Cited
US2853952A
Cited
US3213799A
Cited
US3371615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |