US3289599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty gear pump
Assignee: Individual
•
Filing: 1964-04-06
•
Granted: 1966-12-06
•
Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Eckerle Otto
- 👤 Weinzierl Helmut
- 👤 Jung Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:51
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0007; F04C15/0019; F04C15/0023; F04C15/0026; F04C2/00; F04C2/08; F04C2/10; F04C2/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE325849C
Cited
US1646615A
Cited
US1604802A
Cited
US1816508A
Cited
US2124140A
Cited
US2996999A
Cited
FR1335455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |