Patent US2559793A successfully refreshed from Google Patents.
US2594626A
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US
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Safety valve
Assignee: Individual
•
Filing: 1946-09-09
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Granted: 1952-04-29
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Expires: 1966-09-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0466; F16K17/08; F16K17/082; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7741; Y10T137/7742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US449161A
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US1725297A
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US1962549A
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US1985382A
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US2083584A
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US2145870A
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US2217880A
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US2360733A
Cited
US2524142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |