US2586985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying leather to ultimate clean condition
Assignee: United Shoe Machinery Corp
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Filing: 1950-06-06
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Granted: 1952-02-26
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Expires: 1970-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Olson
- 👤 Edward B Mcmillan
- 👤 William H Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:27
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/26; C14B2700/00; C14B2700/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF DRYING LEATHER WHICH COMPRISES PROVIDING A RIGID DRYING BOARD HAVING A DRIED UNDER COATING APPLIED IN THE FORM OF A SOLUTION OF CHLORINATED RUBBER AND NEOPRENE AND A SECOND DRIED COATING OF A WATER-SENSITIVE POLYMERIC AMIDE, SLICKING OUT A WET LEATHER WORK PIECE UPON SAID SECOND COATING WITH AN INTERPOSED COATING IN THE FORM OF A PASTE OF METHYL CELLULOSE, PASSING AIR IN CONTACT WITH SAID WORK PIECE TO DRY THE SAME, AND STRIPPING THE DRIED WORK PIECE FROM THE BOARD IN CLEAN CONDITION.
Claim 2
Independent Claim
87 words
A METHOD OF DRYING LEATHER WHICH COMPRISES PROVIDING A RIGID DRYING BOARD HAVING A DRIED UNDER COATING APPLIED IN THE FORM OF A SOLUTION OF CHLORINATED RUBBER AND NEOPRENE AND A SECOND DRIED COATING OF A WATER-SENSITIVE POLYMERIC AMIDE, SLICKING OUT A WET LEATHER WORK PIECE UPON SAID SECOND COATING WITH AN INTERPOSED COATING IN THE FORM OF A PASTE OF METHYL CELLULOSE, PASSING AIR IN CONTACT WITH SAID WORK PIECE TO DRY THE SAME, AND STRIPPING THE DRIED WORK PIECE FROM THE BOARD IN CLEAN CONDITION.
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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |