US3377816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor control arrangement
Assignee: Carrier Corp
•
Filing: 1966-08-01
•
Granted: 1968-04-16
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Berger Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:23
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B2400/00; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A REFRIGERATION SYSTEM HAVING AT LEAST ONE COMPRESSOR, A CONDENSER, EXPANSION MEANS, AND AN EVAPORATOR ARRANGED IN A CLOSED REFRIGERANT FLOW PATH, AND VALVE MEANS CLOSING REFRIGERANT FLOW PATH, THE COMBINATION OF: A FIRST CIRCUIT FOR ENERGIZING SAID COMPRESSOR; A SECOND CIRCUIT FOR ACTUATING SAID VALVE MEANS TO OPEN SAID REFRIGERANT FLOW PATH; MEANS FOR COMPLETING SAID SECOND CIRCUIT WHEREBY SAID REFRIGERANT FLOW PATH IS OPENED TO
Claim 2
Dependent Claim
68 words
IN A REFRIGERATION SYSTEM HAVING AT LEAST ONE COMPRESSOR, A CONDENSER, EXPANSION MEANS, AND AN EVAPORATOR ARRANGED IN A CLOSED REFRIGERANT FLOW PATH, AND VALVE MEANS CLOSING REFRIGERANT FLOW PATH, THE COMBINATION OF: A FIRST CIRCUIT FOR ENERGIZING SAID COMPRESSOR; A SECOND CIRCUIT FOR ACTUATING SAID VALVE MEANS TO OPEN SAID REFRIGERANT FLOW PATH; MEANS FOR COMPLETING SAID SECOND CIRCUIT WHEREBY SAID REFRIGERANT FLOW PATH IS OPENED TO
References Cited (Backward Citations)
US2289923A
Cited
US2311000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |