US3361019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tissue holder and knife guide
Assignee: Technicon Corp
•
Filing: 1966-04-07
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Granted: 1968-01-02
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Expires: 1986-04-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Weiskopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:59
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; G01N1/28; G01N1/42; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS OF PROVIDING FROM A BLOCK OF TISSUE A GROSS TISSUE SPECIMEN OF A PREDETERMINED UNIFORM THINNESS, COMPRISING: DISPOSING THE NOT FROZEN BLOCK OF TISSUE ON A SUPPORT SURFACE WHICH IS MAINTAINED AT A FREEZING TEMPERATURE WHEREBY THE CONTACTING SURFACE OF SAID BLOCK OF TISSUE FREEZES TO SAID SUPPORT SURFACE WHILE THE REMAINDER OF SAID BLOCK REMAINS NOT FROZEN; SUPPORTING A CUTTING EDGE IN A FIRST PLANE AT A FIRST DISTANCE FROM SAID TISSUE SUPPORT SURFACE, AND PASSING SAID CUTTING EDGE THROUGH SAID BLOCK; AND SUPPORTING SAID CUTTING EDGE IN A SECOND PLANE AT A SECOND DISTANCE FROM SAID TISSUE SUPPORT SURFACE WHICH IS LESS THAN SAID FIRST DISTANCE BY A PREDETERMINED AMOUNT AND IS PARALLEL TO SAID FIRST PLANE, AND PASSING SAID CUTTING EDGE THROUGH SAID BLOCK.
Claim 2
Dependent Claim
129 words
A PROCESS OF PROVIDING FROM A BLOCK OF TISSUE A GROSS TISSUE SPECIMEN OF A PREDETERMINED UNIFORM THINNESS, COMPRISING: DISPOSING THE NOT FROZEN BLOCK OF TISSUE ON A SUPPORT SURFACE WHICH IS MAINTAINED AT A FREEZING TEMPERATURE WHEREBY THE CONTACTING SURFACE OF SAID BLOCK OF TISSUE FREEZES TO SAID SUPPORT SURFACE WHILE THE REMAINDER OF SAID BLOCK REMAINS NOT FROZEN; SUPPORTING A CUTTING EDGE IN A FIRST PLANE AT A FIRST DISTANCE FROM SAID TISSUE SUPPORT SURFACE, AND PASSING SAID CUTTING EDGE THROUGH SAID BLOCK; AND SUPPORTING SAID CUTTING EDGE IN A SECOND PLANE AT A SECOND DISTANCE FROM SAID TISSUE SUPPORT SURFACE WHICH IS LESS THAN SAID FIRST DISTANCE BY A PREDETERMINED AMOUNT AND IS PARALLEL TO SAID FIRST PLANE, AND PASSING SAID CUTTING EDGE THROUGH SAID BLOCK.
References Cited (Backward Citations)
US2292973A
Cited
US2690699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |