Patent US2527941A successfully refreshed from Google Patents.
US2527941A
Expired / Lapsed
US
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Pump-multiple piece bushing
Assignee: Borg Warner Corp
•
Filing: 1948-05-22
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Granted: 1950-10-31
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Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 John A Lauck
- 👤 James A Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026; F04C15/0042; F04C15/0046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1285819A
Cited
US1379587A
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US1372576A
Cited
US1597411A
Cited
US1644817A
Cited
GB358843A
Cited
US2420622A
Cited
US2391072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |