Patent US2992247A successfully refreshed from Google Patents.
US2992247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defatting animal skins
Assignee: JBS USA LLC
•
Filing: 1958-08-07
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Granted: 1961-07-11
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Donald P Grettie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:11
CPC Classifications
C; C09; C09H; C09H1/00; C09H1/04; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A METHOD FOR SEPARATING THE FAT ATTACHED TO AT LEAST ONE SURFACE OF ANIMAL SKINS WITHOUT CUTTING THE SKINS SUBSTANTIALLY COMPRISING SUBJECTING BOTH SURFACES OF SAID SKINS TO THE ACTION OF A ROTATIVE SHEARING FORCE WHEREBY
Claim 2
Independent Claim
36 words
A METHOD FOR SEPARATING THE FAT ATTACHED TO AT LEAST ONE SURFACE OF ANIMAL SKINS WITHOUT CUTTING THE SKINS SUBSTANTIALLY COMPRISING SUBJECTING BOTH SURFACES OF SAID SKINS TO THE ACTION OF A ROTATIVE SHEARING FORCE WHEREBY
References Cited (Backward Citations)
US2580049A
Cited
US2697112A
Cited
US2828018A
Cited
US2665853A
Cited
US2742488A
Cited
US2748152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |