Patent US2741575A successfully refreshed from Google Patents.
US2741575A
Expired / Lapsed
US
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Hide glue manufacture
Assignee: Armour and Co
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Filing: 1951-08-23
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Granted: 1956-04-10
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Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Havard L Keil
- 👤 Louis A Harriman
- 👤 Arlan G Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
C; C09; C09H; C09H1/00; C09H1/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/944; Y10S530/00; Y10S530/827; Y10S530/842
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A PROCESS FOR CONDITIONING HIDE FOR GLUE MANURACTURE WHICH COMPRISES WASHING SALTED HIDE STOCK FREE OF SALT AND DIRT, SUBJECTING THE WASHED HIDE TO THE ACTION OF MYCODERMA (SP.) AND TORULOPSIS (SP.) AT A PH OF FROM ABOUT 1.5 TO ABOUT 3.5 FOR A PERIOD OF ABOUT 21 DAYS.
References Cited (Backward Citations)
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 |