US2299615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly
Assignee: AERO SUPPLY Manufacturing CO Inc
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Filing: 1942-05-06
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Granted: 1942-10-20
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Expires: 1962-05-06
Abstract
No abstract record available.
Inventors
- 👤 George T Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:45
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/163; F16K11/166; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |