US2931190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet refrigeration system
Assignee: Coleman Co Inc
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Filing: 1957-05-29
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Granted: 1960-04-05
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Dubitzky Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:06
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/06; F25B1/08; F25B2341/00; F25B2341/001; F25B2341/0015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METHOD OF FURNISHING REFRIGERATION, COMPRISING SEPARATING A LIQUIFIED REFRIGERANT AND A LIQUIFIED MOTIVE FLUID, THE MOTIVE FLUID BEING A CYCLIC FLUOROCARBON ETHER HAVING THE FORMULA
Claim 2
Independent Claim
26 words
A METHOD OF FURNISHING REFRIGERATION, COMPRISING SEPARATING A LIQUIFIED REFRIGERANT AND A LIQUIFIED MOTIVE FLUID, THE MOTIVE FLUID BEING A CYCLIC FLUOROCARBON ETHER HAVING THE FORMULA
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |