US3236133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microtome cooling and dehumidifying
Assignee: Whirlpool Corp
•
Filing: 1963-05-06
•
Granted: 1966-02-22
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Pas Laddie A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:17
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; F; F25; F25D; F25D17/00; G01N1/28; G01N1/42; Y; Y10; Y10T; Y10T83/00; Y10T83/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AIR COOLING APPARATUS FOR A MICROTOME HAVING A SPECIMEN HOLDER AND CUTTING MEANS FOR THE SPECIMEN, COMPRISING: MEANS DEFINING A CLOSED SYSTEM COOLED AIR CONDUIT IN WHICH SAID HOLDER AND CUTTING MEANS ARE LOCATED; AND
Claim 2
Dependent Claim
35 words
AIR COOLING APPARATUS FOR A MICROTOME HAVING A SPECIMEN HOLDER AND CUTTING MEANS FOR THE SPECIMEN, COMPRISING: MEANS DEFINING A CLOSED SYSTEM COOLED AIR CONDUIT IN WHICH SAID HOLDER AND CUTTING MEANS ARE LOCATED; AND
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |