Patent US2634216A successfully refreshed from Google Patents.
US2634216A
Expired / Lapsed
US
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Method for forming removable protective coverings
Assignee: United Shoe Machinery Corp
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Filing: 1948-08-25
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Granted: 1953-04-07
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Expires: 1968-08-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Pineles
- 👤 John J Brophy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:06
CPC Classifications
B; B05; B05D; B05D5/00; A; A43; A43D; A43D11/00; A43D11/003; B05D7/00; B05D7/12; C; C09; C09D; C09D5/00; C09D5/008; B05D1/00; B05D1/32; B05D1/322; B05D1/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A METHOD FOR FORMING ON A SHOE UPPER A TOUGH, STRONG, LIGHTLY ADHERENT FILM SERVING AS A REMOVABLE TEMPORARY PROTECTIVE COVER WHICH COMPRISES INJECTING A HIGHLY VISCOUS SOLUTION OF A VINYL RESIN INTO A HIGH PRESSURE, HIGH VELOCITY AIR BLAST TO FORM A SPRAY OF FINE DROPLETS OF THE RESIN SOLUTION, THE RESIN SOLUTION HAVING A VISCOSITY OF FROM 1000 TO 3000 CENTIPOISES AND COMPRISING 1 PART BY WEIGHT OF RESIN, FROM 2 1/2 TO 4 PARTS BY WEIGHT OF A HIGHLY VOLATILE POLAR ORGANIC SOLVENT LIQUID OF THE RESIN AND A HIGHLY VOLATILE NONPOLAR ORGANIC LIQUID NON-SOLVENT FOR THE RESIN IN THE RATIO OF FROM 3 TO 1 PARTS TO 1 PART BY WEIGHT OF THE ORGANIC SOLVENT, THE ORGANIC SOLVENT AND NON-SOLVENT LIQUIDS HAVING A BOILING POINT OF NOT OVER 100* C, THE RATIO OF THE VOLUME OF AIR TO THE VOLUME OF SOLUTION BEING SUCH THAT AT LEAST 50% OF THE VOLATILE ORGANIC SOLVENT IS EVAPORATED WITHIN 6 INCHES OF THE POINT OF FORMATION OF THE SPRAY, HOLDING A SHOE UPPER WITHIN THE SPRAY TO FORM A COATING OF THE RESIN THEREON, DISCONTINUING APPLICATION OF SPRAY MATERIAL AND EVAPORATING THE REMAINDER OF THE ORGANIC LIQUIDS.
Claim 2
Independent Claim
198 words
A METHOD FOR FORMING ON A SHOE UPPER A TOUGH, STRONG, LIGHTLY ADHERENT FILM SERVING AS A REMOVABLE TEMPORARY PROTECTIVE COVER WHICH COMPRISES INJECTING A HIGHLY VISCOUS SOLUTION OF A VINYL RESIN INTO A HIGH PRESSURE, HIGH VELOCITY AIR BLAST TO FORM A SPRAY OF FINE DROPLETS OF THE RESIN SOLUTION, THE RESIN SOLUTION HAVING A VISCOSITY OF FROM 1000 TO 3000 CENTIPOISES AND COMPRISING 1 PART BY WEIGHT OF RESIN, FROM 2 1/2 TO 4 PARTS BY WEIGHT OF A HIGHLY VOLATILE POLAR ORGANIC SOLVENT LIQUID OF THE RESIN AND A HIGHLY VOLATILE NONPOLAR ORGANIC LIQUID NON-SOLVENT FOR THE RESIN IN THE RATIO OF FROM 3 TO 1 PARTS TO 1 PART BY WEIGHT OF THE ORGANIC SOLVENT, THE ORGANIC SOLVENT AND NON-SOLVENT LIQUIDS HAVING A BOILING POINT OF NOT OVER 100* C, THE RATIO OF THE VOLUME OF AIR TO THE VOLUME OF SOLUTION BEING SUCH THAT AT LEAST 50% OF THE VOLATILE ORGANIC SOLVENT IS EVAPORATED WITHIN 6 INCHES OF THE POINT OF FORMATION OF THE SPRAY, HOLDING A SHOE UPPER WITHIN THE SPRAY TO FORM A COATING OF THE RESIN THEREON, DISCONTINUING APPLICATION OF SPRAY MATERIAL AND EVAPORATING THE REMAINDER OF THE ORGANIC LIQUIDS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |