US2431944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector valve assembly
Assignee: Borg Warner Corp
•
Filing: 1944-03-06
•
Granted: 1947-12-02
•
Expires: 1964-03-06
Abstract
No abstract record available.
Inventors
- 👤 John A Lauck
- 👤 Ray G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:23
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/773; Y10T137/8593; Y10T137/87056; Y10T137/87064; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1461010A
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US1938869A
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US2319486A
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US2225082A
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US2276979A
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US2275963A
Cited
US2243364A
Cited
US2349069A
Cited
US2376322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |