US3247536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive bonding of rubbery materials
Assignee: United Shoe Machinery Corp
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Filing: 1962-11-21
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Granted: 1966-04-26
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Rossitto Conrad
- 👤 Jr Joseph W Jolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:44
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
THE ONE-WAY ADHESIVE PROCESS OF PERMANENTLY ATTACHING A CURED DIENE RUBBER SHOE SOLE TO AN UPPER WHICH COMPRISES DEPOSITING A LAYER OF SUBSTANTIALLY VOLATILE SOLVENT-FREE THERMOPLASTIC ADHESIVE IN MOLTEN CONDITION ON THE ATTACHING MARGINAL SURFACE AREAS OF THE SOLE, SUPPLYING HEAT TO SAID ATTACHING MARGINAL SURFACE OF THE SOLE AT AN INTENSITY AND FOR A TIME PERIOD SUFFICIENT TO SUPPLY HEAT TO SOFTEN THE SOLE MATERIAL AT THE ATTACHING SURFACE TO CAUSE SAID MOLTEN ADHESIVE TO WET AND ASSOCIATE WITH THE DIENE RUBBER AT SAID SURFACE, COOLING SAID SOLE AND ADHE-
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |