US2484846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure control device
Assignee: Joy Manufacturing Co
•
Filing: 1942-05-18
•
Granted: 1949-10-18
•
Expires: 1962-05-18
Abstract
No abstract record available.
Inventors
- 👤 Win W Paget
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:22
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1562663A
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GB149709A
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FR679386A
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US2002057A
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GB501138A
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US2208554A
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GB521623A
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US2269500A
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US2342220A
Cited
US2307199A
Cited
US2289639A
Cited
US2391197A
Cited
US2407257A
Cited
US2345547A
Cited
US2393343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |