US2420315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster pump shut-off casing for pump removal
Assignee: Borg Warner Corp
•
Filing: 1944-05-11
•
Granted: 1947-05-13
•
Expires: 1964-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ray G Holt
- 👤 Martin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:14
CPC Classifications
B; B60; B60K; B60K15/00; F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US346438A
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US538554A
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US561320A
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US568572A
Cited
US756582A
Cited
GB190327188A
Cited
US1152607A
Cited
US2003562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |