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US3734798A Expired / Lapsed US ⏱️ 0.0 years remaining

Hot melt package coating method

Assignee: Ingredion Inc
•
Filing: 1970-12-21
•
Granted: 1973-05-22
•
Expires: 1990-12-21
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Abstract

Abstract This invention relates to a new method for preparing blisterpack and skin-pack cards and packages which comprises coating the card with, and fastening the blister or skin to the card with, a universal hot-melt adhesive, particularly one as hereinafter described which contributes a high specular gloss to the printed package.

Inventors

  • 👤 D Dooley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:58
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31909

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 35 words
THe improvement of claim 1 wherein the applied molten coating is allowed to solidify, the resultant plasti-pack card is stored until needed and the heat sealing is accomplished by applying heat to reactivate the coating.
Claim 2
Dependent Claim 20 words
The improvement of claim 1 wherein the plastic envelope is a blister and whereby the resultant package is a blister-pack.
Claim 3
Dependent Claim 20 words
The improvement of claim 1 wherein the plastic envelope is a skin and whereby the resultant package is a skin-pack.
Claim 4
Dependent Claim 20 words
The improvement of claim 2 wherein the plastic envelope is a blister and whereby the resultant package is a blister-pack.
Claim 5
Dependent Claim 20 words
The improvement of claim 2 wherein the plastic envelope is a skin and whereby the resultant package is a skin-pack.
Claim 6
Dependent Claim 6 words
The plasti-pack card of claim 2.

References Cited (Backward Citations)

GB977740A Cited
US3202277A Cited
GB1092161A Cited
US3402223A Cited
US3463753A Cited
US3626026A Cited
US3600347A Cited
US3654207A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-21 1976-11-20 1977-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-21 1980-11-20 1981-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-21 1984-11-20 1985-05-22 $7700.00 Window Closed / Lapsed

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