US4428997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coatings for documents
Assignee: YAMA CAPITAL LLC
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Filing: 1979-12-26
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Granted: 1984-01-31
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Expires: 1999-12-26
Abstract
Abstract Protective coatings for securing documents from alteration comprising a noncohesive adhesive layer integrated with a verification feature and a method for applying such coatings.
Inventors
- 👤 Joseph Shulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:33
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/465; B42D25/47; B42D25/20; B42D25/23; B42D25/30; B42D25/36; B42D25/378; G; G06; G06K; G06K19/00; G06K19/04; G06K19/041; Y; Y10; Y10S; Y10S283/00; Y10S283/901; Y10S283/904; Y10S428/00; Y10S428/913; Y10S428/914; Y10S428/915; Y10S428/916; Y10T; Y10T428/00; Y10T428/14; Y10T428/1462; Y10T428/1471; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/2486; Y10T428/24868; Y10T428/24876; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
42 words
A protective coating assembly for an information bearing document comprising a polyester carrier sheet peelably bonded to an arrangement of two noncohesive layers of a polyethylene-acrylic acid resin adhesive sandwiching an arrangement of a tightly printed pattern of a nacreous pigment composition.
Claim 2
Dependent Claim
42 words
A protective coating assembly for an information bearing document comprising a polyester carrier sheet peelably bonded to an arrangement of two noncohesive layers of a polyethylene-acrylic acid resin adhesive sandwiching an arrangement of a tightly printed pattern of a nacreous pigment composition.
Claim 3
Dependent Claim
28 words
The protective coating assembly of claim 1 wherein said nacreous pigment composition comprises a bismuth oxychloride composition having a thickness ranging from about 0.1 to about 0.4 mil.
Claim 4
Independent Claim
86 words
A method for securing a document comprising: positioning an adhesive surface of a protective coating assembly over an information-bearing surface of a document, said protective coating assembly comprising a polyester carrier sheet peelably bonded to an arrangement of two noncohesive layers of polyethylene-acrylic acid resin adhesive sandwiching an arrangement of a tightly printed pattern of a nacreous pigment composition; securely bonding said adhesive surface to the document by heat lamination to form a security-protective coating; and removing the peelably bonded carrier sheet from the adhesive arrangement.
Claim 5
Independent Claim
86 words
A method for securing a document comprising: positioning an adhesive surface of a protective coating assembly over an information-bearing surface of a document, said protective coating assembly comprising a polyester carrier sheet peelably bonded to an arrangement of two noncohesive layers of polyethylene-acrylic acid resin adhesive sandwiching an arrangement of a tightly printed pattern of a nacreous pigment composition; securely bonding said adhesive surface to the document by heat lamination to form a security-protective coating; and removing the peelably bonded carrier sheet from the adhesive arrangement.
Claim 6
Dependent Claim
25 words
The method of claim 3 wherein said adhesive surface is securely bonded to the document using laminating rollers at a temperature of about 210° F.
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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) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |