Patent US3289749A successfully refreshed from Google Patents.
US3289749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerated medical apparatus and heating means therefor
Assignee: Frigitronics Inc
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Filing: 1964-03-24
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Granted: 1966-12-06
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Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Crump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; A; A61; A61B; A61B18/00; A61B18/02; A61F; A61F9/00; A61F9/007; A61F9/00736; A61B2018/0231; A61B2018/0237; F25B2321/00; F25B2321/02; F25B2321/025; F25B2321/0252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A REFRIGERATED MEDICAL INSTRUMENT WHICH COMPRISES: A COOLING MODULE INCLUDING A PLURALITY OF ALTERNATE HOT AND COLD THERMOELECTRIC JUNCTIONS IN ELECTRICAL SERIES RELATIONSHIP; POWER SUPPLY MEANS CONNECTED TO PASS A DIRECT ELECTRICAL CURRENT THROUGH SAID JUNCTIONS COOLING MEANS ARRANGED TO COOL THE HOT JUNCTIONS OF SAID MODULES; HEAT SINK MEANS OF RELATIVELY HIGH THERMAL CAPACITY IN THERMAL CONTACT WITH THE COLD JUNCTIONS OF SAID MODULE AND ELECTRICALLY INSULATED THEREFROM; HEAT CONDUCTING PROBE MEANS HAVING A FIRST PORTION IN THERMAL CONTACT WITH SAID SINK MEANS AND A SECOND PORTION ARRANGED FOR APPLICATION TO ANIMAL TISSUE; AND MEANS FOR SELECTIVELY WARMING SAID PROBE MEANS.
Claim 2
Dependent Claim
102 words
A REFRIGERATED MEDICAL INSTRUMENT WHICH COMPRISES: A COOLING MODULE INCLUDING A PLURALITY OF ALTERNATE HOT AND COLD THERMOELECTRIC JUNCTIONS IN ELECTRICAL SERIES RELATIONSHIP; POWER SUPPLY MEANS CONNECTED TO PASS A DIRECT ELECTRICAL CURRENT THROUGH SAID JUNCTIONS COOLING MEANS ARRANGED TO COOL THE HOT JUNCTIONS OF SAID MODULES; HEAT SINK MEANS OF RELATIVELY HIGH THERMAL CAPACITY IN THERMAL CONTACT WITH THE COLD JUNCTIONS OF SAID MODULE AND ELECTRICALLY INSULATED THEREFROM; HEAT CONDUCTING PROBE MEANS HAVING A FIRST PORTION IN THERMAL CONTACT WITH SAID SINK MEANS AND A SECOND PORTION ARRANGED FOR APPLICATION TO ANIMAL TISSUE; AND MEANS FOR SELECTIVELY WARMING SAID PROBE MEANS.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |