Patent US3102836A successfully refreshed from Google Patents.
US3102836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material comprising fibers and plastic particles
Assignee: United Shoe Machinery Corp
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Filing: 1959-10-20
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Granted: 1963-09-03
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Expires: 1979-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:18
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/593; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/197
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
SOLVENT ACTIVATABLE STIFFENER MATERIAL FOR STIFFENING END PORTIONS OF SHOES COMPRISING A LAYER OF WATER-LAID FELTED FIBERS CONTAINING PARTICLES OF A NORMALLY SOLID COALESCIBLE STIFFENING AGENT SOLUBLE AT ROOM TEMPERATURE IN A VOLATILE ORGANIC SOLVENT, A SHEET OR RELATIVELY OPEN FIBROUS FABRIC ON ONE FACE OF SAID LAYER, FIBERS OF SAID LAYER AND FIBERS OF SAID FABRIC BEING INTERSPERSED AT THE INTERFACE AND PROVIDING A MECHANICAL LINK BETWEEN SAID LAYER AND SAID SHEET, SAID PARTICLES BEING PRESENT IN THE RATIO OF FROM ABOUT 1 TO ABOUT 5 PARTS BY WEIGHT OF PARTICLES TO 1 PART BY WEIGHT OF FIBERS, AND SAID PARTICLES BEING OF A SIZE DISTRIBUTION AS DETERMINED WITH U.S. STANDARD SIEVES IN WHICH AT LEAST 98% WILL PASS THROUGH A NO. 40 SIEVE, AT LEAST ABOUT 80% WILL PASS THROUGH A NO. 100 SIEVE, AND NOT MORE THAN 15% WILL PASS A NO. 200 SIEVE.
Claim 2
Dependent Claim
147 words
SOLVENT ACTIVATABLE STIFFENER MATERIAL FOR STIFFENING END PORTIONS OF SHOES COMPRISING A LAYER OF WATER-LAID FELTED FIBERS CONTAINING PARTICLES OF A NORMALLY SOLID COALESCIBLE STIFFENING AGENT SOLUBLE AT ROOM TEMPERATURE IN A VOLATILE ORGANIC SOLVENT, A SHEET OR RELATIVELY OPEN FIBROUS FABRIC ON ONE FACE OF SAID LAYER, FIBERS OF SAID LAYER AND FIBERS OF SAID FABRIC BEING INTERSPERSED AT THE INTERFACE AND PROVIDING A MECHANICAL LINK BETWEEN SAID LAYER AND SAID SHEET, SAID PARTICLES BEING PRESENT IN THE RATIO OF FROM ABOUT 1 TO ABOUT 5 PARTS BY WEIGHT OF PARTICLES TO 1 PART BY WEIGHT OF FIBERS, AND SAID PARTICLES BEING OF A SIZE DISTRIBUTION AS DETERMINED WITH U.S. STANDARD SIEVES IN WHICH AT LEAST 98% WILL PASS THROUGH A NO. 40 SIEVE, AT LEAST ABOUT 80% WILL PASS THROUGH A NO. 100 SIEVE, AND NOT MORE THAN 15% WILL PASS A NO. 200 SIEVE.
References Cited (Backward Citations)
US1703961A
Cited
US1731754A
Cited
US1861044A
Cited
US2077125A
Cited
US2616821A
Cited
US2704965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |