Patent US2470355A successfully refreshed from Google Patents.
US2470355A
Expired / Lapsed
US
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Pressure loaded gear pump
Assignee: Borg Warner Corp
•
Filing: 1945-11-23
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Granted: 1949-05-17
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Expires: 1965-11-23
Abstract
No abstract record available.
Inventors
- 👤 John A Lauck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
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)
US1927395A
Cited
US2202912A
Cited
US2345975A
Cited
US2395824A
Cited
US2346761A
Cited
US2412588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |