US2562289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety gas valve
Assignee: Honeywell Inc
•
Filing: 1943-12-08
•
Granted: 1951-07-31
•
Expires: 1963-12-08
Abstract
No abstract record available.
Inventors
- 👤 Joe P Ashcraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:55
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/107; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516; Y10T137/7722; Y10T137/7723; Y10T137/7724
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US165413A
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US1784608A
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US1798431A
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US1867756A
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US1983710A
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US2073757A
Cited
US2164694A
Cited
US2090811A
Cited
US2146930A
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US2276909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |