US3313121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control means and refrigeration systems therefor
Assignee: Individual
•
Filing: 1964-07-29
•
Granted: 1967-04-11
•
Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 William J Barbier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:08
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20; F25B2600/00; F25B2600/25; F25B2600/2501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A TEMPERATURE CONTROLLED SYSTEM COMPRISING SERIALLY CONNECTED COMPRESSOR, CONDENSER, AND EVAPORATOR MEANS, SAID EVAPORATOR MEANS BEING POSITIONED TO COOL A PREDETERMINED ENCLOSURE, BY-PASS MEANS CONNECTED ACROSS THE COMPRESSOR AND ONE OF THE OTHER ASSOCIATED SERIALLY CONNECTED MEANS, VALVE MEANS CONTROLLING FLOW THROUGH THE BY-PASS MEANS, A TEMPERATURE RESPONSIVE BULB OPERATIVELY CONNECTED TO THE VALVE MEANS INCLUDING MEANS TO CONTROL THE FLOW CAPACITY THEREOF, SAID TEMPERATURE RESPONSIVE BULB BEING POSITIONED TO RESPOND TO THE TEMPERATURE OF THE ENCLOSURE AND EXPANSION MEANS CONNECTED IN SERIES CIRCUIT WITH THE EVAPORATOR MEANS ON THE UPSTREAM SIDE THEREOF, SAID EXPANSION MEANS AND SAID BY-PASS MEANS HAVING INLETS CONNECTED IN COMMON.
Claim 2
Dependent Claim
105 words
A TEMPERATURE CONTROLLED SYSTEM COMPRISING SERIALLY CONNECTED COMPRESSOR, CONDENSER, AND EVAPORATOR MEANS, SAID EVAPORATOR MEANS BEING POSITIONED TO COOL A PREDETERMINED ENCLOSURE, BY-PASS MEANS CONNECTED ACROSS THE COMPRESSOR AND ONE OF THE OTHER ASSOCIATED SERIALLY CONNECTED MEANS, VALVE MEANS CONTROLLING FLOW THROUGH THE BY-PASS MEANS, A TEMPERATURE RESPONSIVE BULB OPERATIVELY CONNECTED TO THE VALVE MEANS INCLUDING MEANS TO CONTROL THE FLOW CAPACITY THEREOF, SAID TEMPERATURE RESPONSIVE BULB BEING POSITIONED TO RESPOND TO THE TEMPERATURE OF THE ENCLOSURE AND EXPANSION MEANS CONNECTED IN SERIES CIRCUIT WITH THE EVAPORATOR MEANS ON THE UPSTREAM SIDE THEREOF, SAID EXPANSION MEANS AND SAID BY-PASS MEANS HAVING INLETS CONNECTED IN COMMON.
References Cited (Backward Citations)
US2280425A
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US2353240A
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US2571625A
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US2876629A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |