Patent US2594701A successfully refreshed from Google Patents.
US2594701A
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US
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Expansion valve for use in refrigerating and like apparatus
Assignee: REFRIGERATOR COMPONENTS Ltd
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Filing: 1949-03-21
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Granted: 1952-04-29
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Expires: 1969-03-21
Abstract
No abstract record available.
Inventors
- 👤 Wolf Louis Joel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/33; F25B41/335; Y; Y10; Y10T; Y10T137/00; Y10T137/7504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197454A
Cited
US2484156A
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 |