US3085294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of securing a rubber sole to a shoe upper
Assignee: COMFORT SLIPPER CORP
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Filing: 1960-03-08
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Granted: 1963-04-16
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Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Rosenbaum Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:40
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/10; A; A43; A43D; A43D95/00; A43D95/10; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN THE MANUFACTURE OF A SHOE, THE METHOD OF ATTACHING A SOLE TO AN UPPER COMPRISING THE STEPS OF PROVIDING A SOLE OF A VULCANIZABLE RUBBER COMPOUND AND AN UPPER HAVING AN INTURNED LASTING MARGIN AT ITS BOTTOM EDGE PORTION, SUBJECTING THE OPPOSITE SIDES OF THE SOLE TO RADIANT HEAT PRIOR TO ASSEMBLY WITH THE UPPER AND RAPIDLY PRE-HEATING THE SOLE SUBSTANTIALLY UNIFORMLY TO A TEMPERATURE BELOW THAT OF MATERIAL VULCANIZATION OF THE COMPOUND BUT SUFFICIENTLY HIGH SO THAT IT QUICKLY BECOMES PLASTIC AND IS VULCANIZED WITHIN TWO MINUTES WHEN HEATED
Claim 2
Dependent Claim
91 words
IN THE MANUFACTURE OF A SHOE, THE METHOD OF ATTACHING A SOLE TO AN UPPER COMPRISING THE STEPS OF PROVIDING A SOLE OF A VULCANIZABLE RUBBER COMPOUND AND AN UPPER HAVING AN INTURNED LASTING MARGIN AT ITS BOTTOM EDGE PORTION, SUBJECTING THE OPPOSITE SIDES OF THE SOLE TO RADIANT HEAT PRIOR TO ASSEMBLY WITH THE UPPER AND RAPIDLY PRE-HEATING THE SOLE SUBSTANTIALLY UNIFORMLY TO A TEMPERATURE BELOW THAT OF MATERIAL VULCANIZATION OF THE COMPOUND BUT SUFFICIENTLY HIGH SO THAT IT QUICKLY BECOMES PLASTIC AND IS VULCANIZED WITHIN TWO MINUTES WHEN HEATED
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |