US2476285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety valve
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1944-06-20
•
Granted: 1949-07-19
•
Expires: 1964-06-20
Abstract
No abstract record available.
Inventors
- 👤 James L Corcoran
- 👤 Eugene K Falls
- 👤 Peter A Ibold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189322373A
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FR351798A
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US1222071A
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GB103383A
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US1233752A
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DE354786C
Cited
US1696452A
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US1672394A
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US1572469A
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US1949150A
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US2047750A
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US2101682A
Cited
US2219324A
Cited
US2345389A
Cited
US2347676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |