Patent US2356410A successfully refreshed from Google Patents.
US2356410A
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Controlled cycle relief valve
Assignee: Phillips Petroleum Co
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Filing: 1942-01-03
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Granted: 1944-08-22
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Expires: 1962-01-03
Abstract
No abstract record available.
Inventors
- 👤 Allen D Krugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:58
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/048; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7781; Y10T137/7793; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/8593; Y10T137/86187; Y10T137/87917
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) | 1947-08-22 | 1948-02-21 | 1948-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-22 | 1952-02-21 | 1952-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-22 | 1956-02-21 | 1956-08-22 | $7700.00 | Window Closed / Lapsed |