Patent US3055194A successfully refreshed from Google Patents.
US3055194A
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US
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Circulation apparatus for refrigeration system
Assignee: Whirlpool Corp
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Filing: 1960-05-03
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Granted: 1962-09-25
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:38
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/025; F25B15/10; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62; Y10; Y10S; Y10S62/00; Y10S62/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |