US2660958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure loaded gear pump
Assignee: Borg Warner Corp
•
Filing: 1950-08-11
•
Granted: 1953-12-01
•
Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 John A Lauck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:19
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/082; F04C2/086; F04C15/00; F04C15/0003; F04C15/0007; F04C15/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880108A
Cited
US2312891A
Cited
US2420622A
Cited
US2472031A
Cited
US2544987A
Cited
US2544988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |