US2955904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid process for tanning hides
Assignee: Individual
•
Filing: 1956-09-11
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Granted: 1960-10-11
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Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 Schnoller Desiderio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:29
CPC Classifications
C; C14; C14C; C14C3/00; C14C3/02; C14C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR TANNING HIDES COMPRISING THE STEPS OF PARTIALLY TANNING THE HIDES WITH A NON-VEGATABLE TANNING AGENT FOR SEVERAL HOURS TO SEPARTE THE FIBERS, MECHANICALLY EXPRESSING WATER FROM THE PARTIALLY TANNED HIDES TO REDUCE THE WEIGHT OF THE PARTAILY TANNED HIDES TO AN AMOUNT AT LEAST 30% LESS THAN THE ORIGINAL WEIGHT OF THE HIDES, AND TANNING THE HIDES WITH A VEGETABLE TANNING EXTRACT SELECTED FROM THE GROUP CONSISTING OF DRY, POWEDERED TANNING EXTRACTS AND CONCENTRATED SOLUTIONS THEREOF FOR SEVERAL HOURS UNTIL THE TANNING EXTRACT HAS BEEN ABSORBED BY THE HIDES IN AN AMOUNT ABOUT EQUAL TO THE WEIGHT OF THE WATER REMOVED DURING THE EXPRESSION STEP.
Claim 2
Dependent Claim
108 words
A PROCESS FOR TANNING HIDES COMPRISING THE STEPS OF PARTIALLY TANNING THE HIDES WITH A NON-VEGATABLE TANNING AGENT FOR SEVERAL HOURS TO SEPARTE THE FIBERS, MECHANICALLY EXPRESSING WATER FROM THE PARTIALLY TANNED HIDES TO REDUCE THE WEIGHT OF THE PARTAILY TANNED HIDES TO AN AMOUNT AT LEAST 30% LESS THAN THE ORIGINAL WEIGHT OF THE HIDES, AND TANNING THE HIDES WITH A VEGETABLE TANNING EXTRACT SELECTED FROM THE GROUP CONSISTING OF DRY, POWEDERED TANNING EXTRACTS AND CONCENTRATED SOLUTIONS THEREOF FOR SEVERAL HOURS UNTIL THE TANNING EXTRACT HAS BEEN ABSORBED BY THE HIDES IN AN AMOUNT ABOUT EQUAL TO THE WEIGHT OF THE WATER REMOVED DURING THE EXPRESSION STEP.
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |