Patent US2452283A successfully refreshed from Google Patents.
US2452283A
Expired / Lapsed
US
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Valve catcher
Assignee: Old Carco LLC
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Filing: 1944-05-15
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Granted: 1948-10-26
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Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:40
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/793; Y10T137/7931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US187022A
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US592434A
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US762406A
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US770088A
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US1120546A
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AT74318B
Cited
US1577473A
Cited
US1934580A
Cited
US2255203A
Cited
US2255404A
Cited
US2314218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |