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US4146664A Expired / Lapsed US ⏱️ 0.0 years remaining

Secure property device

Assignee: EMCO GRAPHICS Inc
•
Filing: 1977-11-14
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Granted: 1979-03-27
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Expires: 1997-11-14
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Abstract

Abstract A secure property device utilizing radiant energy reflectors applied to a magnetic data member is provided in which the diffusivity of reflections from the reflectors is enhanced by means of a polymeric diffuser which is chemically and optically compatible with the reflectors and with the magnetic data member to which it is applied.

Inventors

  • 👤 Charles K. Beck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 19:04
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/08; G06K19/10; B; B42; B42D; B42D25/00; B42D25/40; B42D25/405; B42D25/41; B42D25/30; B42D25/36; B42D25/369; B42D25/425; B42D2033/08; B42D2033/10; B42D2033/16; B42D2033/18; B42D2033/30; B42D2035/02; B42D2035/08; B42D25/324; B42D25/373; B42D25/45; B42D25/465; B42D25/47

Claims Analysis

Total Claims: 29
Claim 1
Independent Claim 62 words
A secure property device comprising a magnetic tape, a matte finish coating thereon and at least one radiant energy reflecting element adhered to the matte finish coating, said matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates.
Claim 2
Dependent Claim 62 words
A secure property device comprising a magnetic tape, a matte finish coating thereon and at least one radiant energy reflecting element adhered to the matte finish coating, said matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates.
Claim 3
Dependent Claim 41 words
A secure property device according to claim 1 wherein said continuous phase is an organic liquid having a hydrogen bonding index, γ, greater than 10, a dipole moment, μ, between 0.5 and 2.5 and a solubility parameter, δ, less than 8.
Claim 4
Dependent Claim 22 words
A secure property device according to claim 1 wherein said polymer is a copolymer of butyl acrylate, methyl methacrylate and butyl methacrylate.
Claim 5
Dependent Claim 36 words
A secure property device according to claim 1 wherein said continuous phase is a member selected from the group consisting of diethyl ether and a mixture of about 73 percent di-n-butyl ether and 27 percent ethanol.
Claim 6
Dependent Claim 21 words
A secure property device according to claim 1 wherein said radiant energy reflecting element is a vacuum deposited thin metallic film.
Claim 7
Dependent Claim 24 words
A secure property document comprising a secure property device according to claim 1 wherein said radiant energy reflection element is adhered to a substrate.
Claim 8
Dependent Claim 14 words
A secure property document according to claim 6 wherein said substrate is a card.
Claim 9
Dependent Claim 14 words
A secure property document according to claim 6 wherein said substrate comprises polyvinyl chloride.
Claim 10
Dependent Claim 20 words
A secure property document according to claim 6 wherein said substrate comprises a copolymer of vinyl chloride and vinyl acetate.
Claim 11
Dependent Claim 21 words
A secure property document according to claim 6 wherein said radiant energy reflecting element is a vacuum deposited thin metallic film.
Claim 12
Dependent Claim 23 words
A secure property document according to claim 6 wherein said secure property device is adhered to said substrate by means of an adhesive.
Claim 13
Dependent Claim 29 words
A secure property document according to claim 11 wherein said adhesive comprises a copolymer of monomers selected from the group consisting of lower alkyl acrylates and lower alkyl methacrylates.
Claim 14
Dependent Claim 22 words
A secure property document according to claim 11 wherein said adhesive is a copolymer of butyl acrylate, methyl methacrylate and butyl methacrylate.
Claim 15
Dependent Claim 64 words
A process for producing a secure property device which comprises applying to a magnetic tape a matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates, and depositing at least one radiant energy reflecting element upon said matte finish coating.
Claim 16
Dependent Claim 64 words
A process for producing a secure property device which comprises applying to a magnetic tape a matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates, and depositing at least one radiant energy reflecting element upon said matte finish coating.
Claim 17
Dependent Claim 39 words
A process according to claim 14 wherein said continuous phase is an organic liquid having a hydrogen bonding index, δ, greater than 10, a dipole moment, μ, between 0.5 and 2.5 and a solubility parameter, γ, less than 8.
Claim 18
Dependent Claim 34 words
A process according to claim 14 wherein said continuous phase is a member selected from the group consisting of diethyl ether and a mixture of about 73 percent di-n-butyl ether and 27 percent ethanol.
Claim 19
Dependent Claim 17 words
A process according to claim 14 wherein said radiant energy reflecting element is a thin metallic film.
Claim 20
Dependent Claim 17 words
A process according to claim 14 wherein said radiant energy reflecting element is deposited by vapor deposition.
Claim 21
Dependent Claim 79 words
A process for producing a secure property document which comprises providing a secure property device by applying to a magnetic tape a matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates, depositing at least one radiant energy reflecting element upon said matte finish coating and adhering said radiant energy reflecting element to a substrate.
Claim 22
Dependent Claim 79 words
A process for producing a secure property document which comprises providing a secure property device by applying to a magnetic tape a matte finish coating comprising a polymeric coating deposited from a dispersion in a non-aqueous continuous phase of a member selected from the group consisting of polymers of lower alkyl acrylates and lower alkyl methacrylates, depositing at least one radiant energy reflecting element upon said matte finish coating and adhering said radiant energy reflecting element to a substrate.
Claim 23
Dependent Claim 39 words
A process according to claim 19 wherein said continuous phase is an organic liquid having a hydrogen bonding index, δ, greater than 10, a dipole moment, μ, between 0.5 and 2.5 and a solubility parameter, γ, less than 8.
Claim 24
Dependent Claim 34 words
A process according to claim 19 wherein said continuous phase is a member selected from the group consisting of diethyl ether and a mixture of about 73 percent di-n-butyl ether and 27 percent ethanol.
Claim 25
Dependent Claim 17 words
A process according to claim 19 wherein said radiant energy reflecting element is a thin metallic film.
Claim 26
Dependent Claim 17 words
A process according to claim 19 wherein said radiant energy reflecting element is deposited by vacuum deposition.
Claim 27
Dependent Claim 12 words
A process according to claim 19 wherein said substrate comprises polyvinyl chloride.
Claim 28
Dependent Claim 18 words
A process according to claim 19 wherein said substrate comprises a copolymer of vinyl chloride and vinyl acetate.
Claim 29
Dependent Claim 23 words
A process according to claim 19 wherein an adhesive is applied to said secure property device prior to adhering same to said substrate.

References Cited (Backward Citations)

US3107198A Cited
US3468046A Cited
US3607615A Cited
US4092452A Cited
US3838252A Cited
US3894756A Cited
US3897964A Cited
US3773710A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-03-26 1982-09-25 1983-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-03-26 1986-09-25 1987-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-03-26 1990-09-25 1991-03-27 $7700.00 Window Closed / Lapsed

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