US2634216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming removable protective coverings
Assignee: United Shoe Machinery Corp
•
Filing: 1948-08-25
•
Granted: 1953-04-07
•
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 16:00
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)
US2031673A
Cited
US2057671A
Cited
US2198794A
Cited
US2238956A
Cited
US2431684A
Cited
US2441227A
Cited
US2436841A
Cited
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 |