Patent US3085294A successfully refreshed from Google Patents.
US3085294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of securing a rubber sole to a shoe upper
Assignee: COMFORT SLIPPER CORP
•
Filing: 1960-03-08
•
Granted: 1963-04-16
•
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 22:31
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
References Cited (Backward Citations)
US1164860A
Cited
US2032471A
Cited
US2289524A
Cited
US2445701A
Cited
US2512364A
Cited
US2529830A
Cited
US2878523A
Cited
GB826379A
Cited
US3002230A
Cited
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 |