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US4171398A Expired / Lapsed US ⏱️ 0.0 years remaining

Transfer sheet

Assignee: AMERICAN PHOTO-GRAPHICS Corp A CORP OF ILL
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Filing: 1977-10-31
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Granted: 1979-10-16
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Expires: 1997-10-31
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Abstract

Abstract A transfer comprising a non-opaque flexible backing having a non-opaque film (heat stable below 350° F. (177° C.) on one surface of the backing. A coating of dry non-activated adhesive is on the surface of the film not on the backing.

Inventors

  • 👤 Delbert R. Hunt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:38
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1733; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24843; Y10T428/24893; Y10T428/24901

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 63 words
A transfer consisting of: (a) a non-opaque flexible backing; (b) a non-opaque film heat stable below 350° F. (177° C.) on one surface of the backing; (c) a coating of dry-non-activated adhesive on the surface of the film not on the backing; (d) an image of dry material on the surface of the coating of adhesive not on the surface of the film.
Claim 2
Dependent Claim 63 words
A transfer consisting of: (a) a non-opaque flexible backing; (b) a non-opaque film heat stable below 350° F. (177° C.) on one surface of the backing; (c) a coating of dry-non-activated adhesive on the surface of the film not on the backing; (d) an image of dry material on the surface of the coating of adhesive not on the surface of the film.
Claim 3
Dependent Claim 13 words
The transfer of claim 1 wherein the adhesive is a pressure activated adhesive.
Claim 4
Dependent Claim 32 words
The transfer of claim 1 including the following additional element: (a) a coating of a release agent on one surface of the backing and interposed between the backing and the non-opaque film.
Claim 5
Dependent Claim 51 words
The transfer of claim 3 wherein the release agent comprises about: (a) 96 parts by weight of water; (b) 2 parts by weight of isopropyl alcohol; (c) 2 parts by weight of a water soluble, Werner type complex in which a C 14 -C 18 fatty acid is coordinated with chromium.
Claim 6
Dependent Claim 33 words
The transfer of claim 1 wherein the image of dry material is applied to the surface of the coating of adhesive not on the surface of the film by an electrostatic bonding process.
Claim 7
Dependent Claim 34 words
The transfer of claim 1 wherein the image of dry material applied to the surface of the coating of adhesive not on the surface of the film comprises a tackified and solidified electroscopic powder.
Claim 8
Dependent Claim 126 words
A transfer comprising: (a) a non-opaque flexible backing; (b) a non-opaque film on one surface of the backing; (c) a coating of pressure activated adhesive on the surface of the film not on one surface of the backing; and wherein the adhesive comprises about: (i) 3 parts by weight of a low viscosity polyvinyl ether; (ii) 5.6 parts by weight of a high viscosity polyvinyl either; (iii) 0.4 parts by weight of a low molecular weight polyethylene base wax; (iv) 2.8 parts by weight of a silica powder; (v) 76 parts by weight of white spirits; and (vi) 12.2 parts by weight of glycolic ether; (d) an image of dry material on the surface of the coating of adhesive not on the surface of the film.
Claim 9
Dependent Claim 126 words
A transfer comprising: (a) a non-opaque flexible backing; (b) a non-opaque film on one surface of the backing; (c) a coating of pressure activated adhesive on the surface of the film not on one surface of the backing; and wherein the adhesive comprises about: (i) 3 parts by weight of a low viscosity polyvinyl ether; (ii) 5.6 parts by weight of a high viscosity polyvinyl either; (iii) 0.4 parts by weight of a low molecular weight polyethylene base wax; (iv) 2.8 parts by weight of a silica powder; (v) 76 parts by weight of white spirits; and (vi) 12.2 parts by weight of glycolic ether; (d) an image of dry material on the surface of the coating of adhesive not on the surface of the film.
Claim 10
Dependent Claim 27 words
The transfer of claim 7 including a coating of a release agent on one surface of the backing and interposed between the backing and the non-opaque film.
Claim 11
Dependent Claim 17 words
The transfer of claim 7 wherein the non-opaque film is heat stable below 350° F. (177° C.).

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-10-15 1983-04-16 1983-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-10-15 1987-04-16 1987-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-10-15 1991-04-16 1991-10-16 $7700.00 Window Closed / Lapsed

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