Patent US3131105A successfully refreshed from Google Patents.
US3131105A
Expired / Lapsed
US
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Method of bonding polyurethane foam to base materials by flame treatment
Assignee: Pathe Equipment Co Inc
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Filing: 1961-10-13
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Granted: 1964-04-28
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Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 William V Codos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:41
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/45; B29C65/00; B29C65/02; B29C65/10; B29C65/106; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B29C66/73; B29C66/739; B29C66/7394; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B32; B32B; B32B27/00; B29C66/729; B29K; B29K2105/00; B29K2105/04; B29K2313/00; B29L; B29L2009/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
THE METHOD OF FORMING A LAMINATED STRUCTURE, WHICH COMPRISES OF CONTINUOUSLY MOVING A LAYER OF POLYURETHANE FOAM IN ONE DIRECTION THROUGH TWO SPACED INERT GASEOUS MEANS, EACH OFFERING A COMBUSTION-PREVENTING AREA, APPLYING ONTO A SURFACE OF SAID MOVING LAYER BEFORE IT REACHES THE FIRST OF SAID AREAS, A COATING OF AN INFLAMMABLE SUBSTANCE WHICH WHEN IGNITED WILL PLASTICIZE SAID SURFACE, IGNITING THE COATING WHICH IS BETWEEN SAID AREAS AND THEN APPLYING WITH PRESSURE A LAYER OF MATERIAL WITH WHICH SAID PLASTICIZED SURFACE WILL FORM A BOND, ONTO SAID PLASTICIZED SURFACE WHILE SAID FOAM LAYER IS MOVING AND SAID SURFACE IS SOFT AND TACKY.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |