US3176472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microtome freezing system
Assignee: Whirlpool Corp
•
Filing: 1963-05-08
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Granted: 1965-04-06
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Everett F Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; A; A61; A61B; A61B10/00; A61B10/0096; G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; G01N1/28; G01N1/42; H; H10; H10N; H10N10/00; Y; Y10; Y10T; Y10T83/00; Y10T83/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
APPARATUS FOR FREEZING A MICROTOME SPECIMEN, COMPRISING: HEAT ABSORBING MEANS INCLUDING A BODY OF LIQUID, THERMOELECTRIC COOLING MEANS ARRANGED IN HEAT TRANSFER RELATIONSHIP WITH SAID LIQUID FOR CHILLING THE SAME; AND A THERMALLY CONDUCTING SUPPORT FOR SAID SPECIMEN IN HEAT CONDUCTING RELATIONSHIP WITH SAID LIQUID FOR CHILLING SAID SPECIMEN.
Claim 2
Dependent Claim
49 words
APPARATUS FOR FREEZING A MICROTOME SPECIMEN, COMPRISING: HEAT ABSORBING MEANS INCLUDING A BODY OF LIQUID, THERMOELECTRIC COOLING MEANS ARRANGED IN HEAT TRANSFER RELATIONSHIP WITH SAID LIQUID FOR CHILLING THE SAME; AND A THERMALLY CONDUCTING SUPPORT FOR SAID SPECIMEN IN HEAT CONDUCTING RELATIONSHIP WITH SAID LIQUID FOR CHILLING SAID SPECIMEN.
References Cited (Backward Citations)
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |