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US3823209A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fusing together particulate,thermoplastic material on a substrate

Assignee: Vitek Research Corp
•
Filing: 1971-10-14
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Granted: 1974-07-09
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Expires: 1991-10-14
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Abstract

Abstract A METHOD OF FUSING TOGETHER PARTICULATE, THERMOPLASTIC MATERIAL DEFINING A LAYER OR COATING ON ONE SURFACE OF A RELEASE MOLD SUBSTRATE TO FORM A SELF-SUPPORTING SHEET WHICH IS REMOVABLE FROM THE SUBSTRATE. THE METHOD INCLUDES THE STEPS OF SUPPORTING THE UNCOATED SURFACE OF THE UNCOATED SURFACE OF THE RELEASE MOLD SUBSTRATE IN INTIMATE AND UNIFORM CONTACT WITH A SURFACE OF AN INSULATING PAD, SUPPORTING THE SURFACE OF THE INSULATING PAD OPPOISTE THE RELEASE MOLD SUPPORTING SURFACE THEREOF IN CONTACT WITH A THERMALLY CONDUCTIVE SUPPORT MEMBER, APPLYING ELECTROMAGNETIC RADIIATION IN THE INFRARED REGION OF THE SPECTRUM TO THE LAYER FROM ONLY THE COATED SIDE OF THE RELEASE MOLD SUBSTRATE TO FUSE TOGETHER THE PARTICULATE MATERIAL OF SAID LAYER AND REMOVING HEAT FROM THE THERMALLY CONDUCTIVE SUPPORT MEMBER.

Inventors

  • 👤 L Birckhead
  • 👤 A Olsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:08
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/46; B29C35/00; B29C35/02; B29C35/08; B29C35/10; B29C41/24; B29C41/28; B29C35/0805; B29C2035/0822; B29C67/00; B29C67/02; B29C67/04; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S264/78

Claims Analysis

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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) 1977-07-08 1978-01-07 1978-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-08 1982-01-07 1982-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-08 1986-01-07 1986-07-09 $7700.00 Window Closed / Lapsed

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