US2565950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for refrigerant compressors
Assignee: CRIDER Corp
•
Filing: 1946-08-05
•
Granted: 1951-08-28
•
Expires: 1966-08-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Crider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:20
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/785; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919036A
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US1669889A
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US2019747A
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US1986831A
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US2001885A
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US2012704A
Cited
US2117468A
Cited
US2138093A
Cited
US2302447A
Cited
US2379667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |