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Patent US2470368A successfully refreshed from Google Patents.
US2470368A
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Valve mechanism
Assignee: Adel Precision Products Corp
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Filing: 1946-06-15
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Granted: 1949-05-17
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Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Donald D Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:15
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; F; F17; F17C; F17C7/00; F17C7/02; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0329; F17C2205/0332; F17C2205/0376; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2250/07; F17C2250/072; F17C2260/00; F17C2260/02; F17C2260/028; F17C2260/03; F17C2260/035; F17C2260/036; F17C2260/04; F17C2260/042; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1512628A
Cited
US1498191A
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US1998913A
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US2281605A
Cited
US2311336A
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US2426065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |