US2741576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing animal glue
Assignee: Armour and Co
•
Filing: 1954-12-15
•
Granted: 1956-04-10
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Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 Havard L Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
C; C09; C09H; C09H1/00; C09H1/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
IN A PROCESS FOR CONDITIONING COLLAGEN-BEARING ANIMAL TISSUES FOR GLUE EXTRACTION, THE STEPS OF EXPOSING THE TISSUES TO THE ACTION OF ADDED LIVING YEAST-TYPE ORGANISMS TO PARTIALLY CONDITION THE SAME AND THEREAFTER LIMING SAID TISSUES TO COMPLETE THE CONDITIONING.
Claim 2
Dependent Claim
39 words
IN A PROCESS FOR CONDITIONING COLLAGEN-BEARING ANIMAL TISSUES FOR GLUE EXTRACTION, THE STEPS OF EXPOSING THE TISSUES TO THE ACTION OF ADDED LIVING YEAST-TYPE ORGANISMS TO PARTIALLY CONDITION THE SAME AND THEREAFTER LIMING SAID TISSUES TO COMPLETE THE CONDITIONING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |