US2651856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe upper provided with protective spray cover and method for forming same
Assignee: United Shoe Machinery Corp
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Filing: 1948-11-19
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Granted: 1953-09-15
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles G Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A METHOD FOR FORMING ON THE SURFACE OF AN ARTICLE A TOUGH, STRONG, LIGHTLY ADHERENT FILM SERVING AS A REMOVABLE TEMPORARY PROTECTIVE COVER WHICH COMPRISES INJECTING A COATING SOLUTION INTO A HIGH PRESSURE, HIGH VELOCITY AIR BLAST TO FORM A SPRAY OF FINE DROPLETS OF THE COATING SOLUTION, AND DIRECTING SAID SPRAY OF COATING SOLUTION AT THE SURFACE OF THE ARTICLE, THE COATING SOLUTION COMPRISING A FILM FORMING COMPONENT AND A SOLVENT THEREFOR, SAID FILM FORMING COMPONENT CONSISTING OF AN UNPLASTICIZED COPOLYMER OF FROM 40% TO 75% BY WEIGHT OF STYRENE WITH FROM 60% TO 25% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ISOBUTYLENE AND BUTADIENE, AND SAID SOLVENT COMPRISING A HIGHLY VOLATILE NONPOLAR ORGANIC SOLVENT MEDIUM FOR THE COPOLYMER HAVING A BOILING RANGE SUCH THAT AT LEAST 50% OF THE SOLVENT WILL BOIL BELOW 50* C., THE COPOLYMER BEING PRESENT TO THE EXTENT OF FROM 15% TO 40% BY WEIGHT OF THE SOLUTION.
Claim 2
Independent Claim
158 words
A METHOD FOR FORMING ON THE SURFACE OF AN ARTICLE A TOUGH, STRONG, LIGHTLY ADHERENT FILM SERVING AS A REMOVABLE TEMPORARY PROTECTIVE COVER WHICH COMPRISES INJECTING A COATING SOLUTION INTO A HIGH PRESSURE, HIGH VELOCITY AIR BLAST TO FORM A SPRAY OF FINE DROPLETS OF THE COATING SOLUTION, AND DIRECTING SAID SPRAY OF COATING SOLUTION AT THE SURFACE OF THE ARTICLE, THE COATING SOLUTION COMPRISING A FILM FORMING COMPONENT AND A SOLVENT THEREFOR, SAID FILM FORMING COMPONENT CONSISTING OF AN UNPLASTICIZED COPOLYMER OF FROM 40% TO 75% BY WEIGHT OF STYRENE WITH FROM 60% TO 25% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ISOBUTYLENE AND BUTADIENE, AND SAID SOLVENT COMPRISING A HIGHLY VOLATILE NONPOLAR ORGANIC SOLVENT MEDIUM FOR THE COPOLYMER HAVING A BOILING RANGE SUCH THAT AT LEAST 50% OF THE SOLVENT WILL BOIL BELOW 50* C., THE COPOLYMER BEING PRESENT TO THE EXTENT OF FROM 15% TO 40% BY WEIGHT OF THE SOLUTION.
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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |