US2740469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control apparatus
Assignee: Old Carco LLC
•
Filing: 1950-04-14
•
Granted: 1956-04-03
•
Expires: 1970-04-14
Abstract
No abstract record available.
Inventors
- 👤 William G Colestock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
F; F02; F02D; F02D33/00; G; G05; G05D; G05D11/00; G05D11/02; G05D11/035; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2537681A
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US1824952A
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US2157737A
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US2334679A
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FR918129A
Cited
GB608860A
Cited
US2440371A
Cited
US2595618A
Cited
US2506611A
Cited
US2545856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |