Patent US3047506A successfully refreshed from Google Patents.
US3047506A
Expired / Lapsed
US
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Refrigeration process
Assignee: Honeywell International Inc
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Filing: 1957-12-13
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Granted: 1962-07-31
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Robert D Broadley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:51
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF PRODUCING REFRIGERATION WHICH COMPRISES EVAPORATING, IN THE VICINITY OF A BODY TO BE COOLED, A MIXTURE CONSITING OF DICHLOROTETRAFLUOROETHANE AND ETHYL CHLORIDE WHICH MIXTURE BOILS AT A SUBSTANTIALLY CONSTANT TEMPERATURE AND FUNCTIONS AS A SUBSTANTIALLY SINGLE SUBSTANCE, AND IN WHICH MIXTURE THE MOL PERCENT OF ETHYL CHLORIDE IS IN THE RANGE OF 22-50, AND SUBSEQUENTLY CONDENSING THE SAID MIXTURE.
Claim 2
Dependent Claim
62 words
THE PROCESS OF PRODUCING REFRIGERATION WHICH COMPRISES EVAPORATING, IN THE VICINITY OF A BODY TO BE COOLED, A MIXTURE CONSITING OF DICHLOROTETRAFLUOROETHANE AND ETHYL CHLORIDE WHICH MIXTURE BOILS AT A SUBSTANTIALLY CONSTANT TEMPERATURE AND FUNCTIONS AS A SUBSTANTIALLY SINGLE SUBSTANCE, AND IN WHICH MIXTURE THE MOL PERCENT OF ETHYL CHLORIDE IS IN THE RANGE OF 22-50, AND SUBSEQUENTLY CONDENSING THE SAID MIXTURE.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |