US3218896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Specimen freezing device for use with a microtome
Assignee: Ames Lab-Tek Inc
•
Filing: 1963-04-08
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Granted: 1965-11-23
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 James B Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:55
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; G01N1/28; G01N1/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN APPARATUS FOR FREEZING A SPECIMEN FOR SECTIONING ON A MICROTOME, SAID APPARATUS COMPRISING A REFRIGERATED THERMALLY CONDUCTIVE MEMBER, A SPECIMEN CARRIER ADAPTED TO BE LOCATED IN A PREDETERMINED POSITION ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER IN HEAT CONDUCTIVE ENGAGEMENT THEREWITH AND TO BE REMOVED FROM THE REFRIGERATED THERMALLY CONDUCTIVE MEMBER AND SECURED IN OPERATIVE POSITION WITHIN THE CHUCK OF A MICROTOME, SAID SPECIMEN CARRIER INCLUDING MEANS DEFINING A FLAT SURFACE ADAPTED TO LIE IN A PREDETERMINED PLANE WHEN SAID SPECIMEN CARRIER IS IN SAID PREDETERMINED POSITION ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER, SAID SPECIMEN CARRIER ALSO INCLUDING AN ELEMENT DEPENDING FROM SAID FLAT SURFACE-DEFINING MEANS ADAPTED TO ENGAGE SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER AND TO PREVENT LATERAL MOVEMENT OF SAID SPECIMEN CARRIER RELATIVE THERETO, A SUPPORT MEMBER MOUNTED ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER ADJACENT SAID SPECIMEN-CARRIER, AND A SPECIMEN ENGAGING MEMBER MOVABLY MOUNTED ON
Claim 2
Independent Claim
146 words
AN APPARATUS FOR FREEZING A SPECIMEN FOR SECTIONING ON A MICROTOME, SAID APPARATUS COMPRISING A REFRIGERATED THERMALLY CONDUCTIVE MEMBER, A SPECIMEN CARRIER ADAPTED TO BE LOCATED IN A PREDETERMINED POSITION ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER IN HEAT CONDUCTIVE ENGAGEMENT THEREWITH AND TO BE REMOVED FROM THE REFRIGERATED THERMALLY CONDUCTIVE MEMBER AND SECURED IN OPERATIVE POSITION WITHIN THE CHUCK OF A MICROTOME, SAID SPECIMEN CARRIER INCLUDING MEANS DEFINING A FLAT SURFACE ADAPTED TO LIE IN A PREDETERMINED PLANE WHEN SAID SPECIMEN CARRIER IS IN SAID PREDETERMINED POSITION ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER, SAID SPECIMEN CARRIER ALSO INCLUDING AN ELEMENT DEPENDING FROM SAID FLAT SURFACE-DEFINING MEANS ADAPTED TO ENGAGE SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER AND TO PREVENT LATERAL MOVEMENT OF SAID SPECIMEN CARRIER RELATIVE THERETO, A SUPPORT MEMBER MOUNTED ON SAID REFRIGERATED THERMALLY CONDUCTIVE MEMBER ADJACENT SAID SPECIMEN-CARRIER, AND A SPECIMEN ENGAGING MEMBER MOVABLY MOUNTED ON
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |