US2630136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Motors Liquidation Co
•
Filing: 1949-06-08
•
Granted: 1953-03-03
•
Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Roy H Brandes
- 👤 Robert C Treseder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/061; F16K31/0613; F15; F15B; F15B13/00; F15B13/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8667; Y10T137/86694; Y10T137/8671
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1028657A
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US972430A
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US1166210A
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US2145977A
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GB503347A
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US2194782A
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US2307585A
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US2407184A
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US2396643A
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US2412549A
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US2410404A
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US2404349A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |