US2914445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thawing frozen tissue
Assignee: Wyeth Holdings LLC
•
Filing: 1955-06-06
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Granted: 1959-11-24
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Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Clarke Frank Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A01; A01N; A01N1/00; A01N1/10; A01N1/16; A01N1/162; A61K35/48; A61K35/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD FOR THAWING FROZEN GLANDULAR TISSUE AND RETAINING ASSOCIATED LIQUIDS IN CONTACT THEREWITH WHICH COMPRISES: IMMERSING FLEXIBLE IMPERVIOUS BAGS HAVING THEREIN FROZEN GLANDULAR TISSUE IN A TANK OF AQUEOUS LIQUID, RAISING AND LOWERING SAID TISSUE-CONTAINING BAGS IN SAID AQUEOUS LIQUID, SO THAT AT LEAST PART OF THE TISSUE CONTACTING PORTION OF THE BAGS PASS AN AQUEOUS LIQUID AIR INTERFACE, MAINTAING THE TEMPERATURE OF SAID AQUEOUS LIQUID BETWEEN ABOUT 0* C. AND 10 C., AGITATING THE
Claim 2
Independent Claim
76 words
A METHOD FOR THAWING FROZEN GLANDULAR TISSUE AND RETAINING ASSOCIATED LIQUIDS IN CONTACT THEREWITH WHICH COMPRISES: IMMERSING FLEXIBLE IMPERVIOUS BAGS HAVING THEREIN FROZEN GLANDULAR TISSUE IN A TANK OF AQUEOUS LIQUID, RAISING AND LOWERING SAID TISSUE-CONTAINING BAGS IN SAID AQUEOUS LIQUID, SO THAT AT LEAST PART OF THE TISSUE CONTACTING PORTION OF THE BAGS PASS AN AQUEOUS LIQUID AIR INTERFACE, MAINTAING THE TEMPERATURE OF SAID AQUEOUS LIQUID BETWEEN ABOUT 0* C. AND 10 C., AGITATING THE
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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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |