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US3669786A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of laminating plastic foam

Assignee: Individual
•
Filing: 1970-02-19
•
Granted: 1972-06-13
•
Expires: 1990-02-19
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Abstract

Abstract LAMINATING A PLASTIC FOAM TO A SURFACE-TREATED POLYOLEFIN FILM BY HEATING THE FILM TO A TEMPERATURE APPROXIMATING OR SLIGHTLY EXCEEDING ITS DISORIENTATION TEMPERATURE AND THEREAFTER CONTACTING THE FILM AND FOAM.

Inventors

  • 👤 Francis C Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:42
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/065; B32B27/32; B32B37/00; B32B37/06; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2309/00; B32B2309/02; B32B2323/00; B32B2323/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1975-06-13 1975-12-13 1976-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-13 1979-12-13 1980-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-13 1983-12-13 1984-06-13 $7700.00 Window Closed / Lapsed

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