US3262492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for maintaining a liquid at a constant low temperature
Assignee: Westinghouse Electric Corp
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Filing: 1964-06-15
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Granted: 1966-07-26
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Meenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:17
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CONSTANT TEMPERATURE BATH MAINTAINABLE CLOSE TO A SELECTED TEMPERATURE COMPRISING, IN COMBINATION, A TANK CONTAINING A LIQUID COMPRISING SAID BATH, MEANS FOR CIRCULATING THE LIQUID TO AND FROM THE TANK TO A HEAT EXCHANGER, THE HEAT EXCHANGER COMPRISING A COOLING MEMBER AND THERMOELECTRIC MEANS FOR WITHDRAWING HEAT FROM THE COOLING MEMBER WHEREBY TO COOL THE CIRCULATED LIQUID TO AT LEAST THE SELECTED TEMPERATURE OR LOWER, HEATING MEANS ASSOCIATED WITH THE CIRCULATING LIQUID, AND CONTROL MEANS FOR ENERGIZING THE HEATING MEANS WHENEVER THE CIRCULATING LIQUID IS BROUGHT TO A TEMPERATURE BELOW THE
Claim 2
Dependent Claim
92 words
A CONSTANT TEMPERATURE BATH MAINTAINABLE CLOSE TO A SELECTED TEMPERATURE COMPRISING, IN COMBINATION, A TANK CONTAINING A LIQUID COMPRISING SAID BATH, MEANS FOR CIRCULATING THE LIQUID TO AND FROM THE TANK TO A HEAT EXCHANGER, THE HEAT EXCHANGER COMPRISING A COOLING MEMBER AND THERMOELECTRIC MEANS FOR WITHDRAWING HEAT FROM THE COOLING MEMBER WHEREBY TO COOL THE CIRCULATED LIQUID TO AT LEAST THE SELECTED TEMPERATURE OR LOWER, HEATING MEANS ASSOCIATED WITH THE CIRCULATING LIQUID, AND CONTROL MEANS FOR ENERGIZING THE HEATING MEANS WHENEVER THE CIRCULATING LIQUID IS BROUGHT TO A TEMPERATURE BELOW THE
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |