Patent US4722145A successfully refreshed from Google Patents.
US4722145A
Expired / Lapsed
US
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Reusable marking system
Assignee: Individual
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Filing: 1985-03-06
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Granted: 1988-02-02
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Expires: 2005-03-06
Abstract
Abstract A reusable marking system comprising a high impact styrene plastic marking surface and a specially formulated water soluble marking ink. The ink is carried in a felt tip marker and can be removed from the marking surface using a damp wiper. The marking surface can be permanently marked using screen printing techniques to provide suitable permanent messages or to delineate areas for non-permanent markings.
Inventors
- 👤 Jeffrey C. Prest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:36
CPC Classifications
B; B43; B43L; B43L1/00; G; G09; G09F; G09F7/00
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
72 words
A reuseable advertising system comprising: a self-supporting sign material; and a marking device, said sign material being formed of a high impact styrene plastic having permanent identifying legends printed on a surface thereof, the legends defining an area for inserting non-permanent markings using said marking device, wherein said marking device utilizes a water soluble ink which is only and readily removable from said sign material by wiping with a liquid dampened wiper.
Claim 2
Dependent Claim
72 words
A reuseable advertising system comprising: a self-supporting sign material; and a marking device, said sign material being formed of a high impact styrene plastic having permanent identifying legends printed on a surface thereof, the legends defining an area for inserting non-permanent markings using said marking device, wherein said marking device utilizes a water soluble ink which is only and readily removable from said sign material by wiping with a liquid dampened wiper.
Claim 3
Dependent Claim
17 words
The system of claim 1 wherein said water soluble ink includes 0.5 percent by volume of alcohol.
Claim 4
Dependent Claim
14 words
The system of claim 2 wherein said marking device comprises a felt tip marker.
Claim 5
Dependent Claim
27 words
The system of claim 1 wherein said sign material is formed in a pre-determined shape having an integral tab for supporting said sign material in a display.
Claim 6
Dependent Claim
17 words
The system of claim 4 wherein said tab is bent parallel to a plane of said material.
Claim 7
Dependent Claim
10 words
The system of claim 1 wherein said liquid is water.
Claim 8
Dependent Claim
16 words
The system of claim 1 wherein said plastic is between 0.015 and 0.030 inches in thickness.
Claim 9
Dependent Claim
12 words
The system of claim 1 wherein said plastic has a calendered surface.
Claim 10
Dependent Claim
15 words
The system of claim 8 wherein said permanent legends are printed on said calendered surface.
Claim 11
Dependent Claim
11 words
The system of claim 1 wherein said legends are screen printed.
Claim 12
Dependent Claim
17 words
The system of claim 1 wherein said legends include a border defining said area for non-permanent marking.
Claim 13
Dependent Claim
17 words
The system of claim 1 wherein said legends define a plurality of areas for inserting non-permanent markings.
Claim 14
Dependent Claim
59 words
A reusable marking system comprising: support means; a marking surface formed of a high impact styrene plastic, said marking surface being attached to said support means, and a marking device for marking on said surface, said marking device utilizing a water base ink which can only and readily be removed from said surface by wiping with a damp wiper.
Claim 15
Dependent Claim
59 words
A reusable marking system comprising: support means; a marking surface formed of a high impact styrene plastic, said marking surface being attached to said support means, and a marking device for marking on said surface, said marking device utilizing a water base ink which can only and readily be removed from said surface by wiping with a damp wiper.
Claim 16
Dependent Claim
22 words
The system of claim 13 wherein the water base ink is compounded of a solution of a water base dye and alcohol.
Claim 17
Dependent Claim
11 words
The system of claim 14 wherein said alcohol comprises methyl alcohol.
Claim 18
Dependent Claim
18 words
The system of claim 14 wherein said alcohol comprises 0.5 percent by volume of said water base ink.
Claim 19
Dependent Claim
11 words
The system of claim 13 wherein said marking surface is calendered.
Claim 20
Dependent Claim
13 words
The system of claim 13 wherein said marking surface has a matte finish.
Claim 21
Dependent Claim
22 words
The system of claim 13 wherein said marking surface is formed of a plastic sheet having a thickness of approximately 0.015 inches.
Claim 22
Dependent Claim
13 words
The system of claim 13 wherein said marking surface includes a screen-printed border.
References Cited (Backward Citations)
US1970697A
Cited
US3069790A
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NL7600804A
Cited
US4267088A
Cited
US4449310A
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GB2143986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |