Patent US4379805A successfully refreshed from Google Patents.
US4379805A
Expired / Lapsed
US
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Graphics-bearing element and fluid line marking tape
Assignee: Brady Worldwide Inc
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Filing: 1981-03-16
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Granted: 1983-04-12
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Expires: 2001-03-16
Abstract
Abstract A graphics-bearing element is provided in which improved durability in liquid environments is provided through inclusion in a graphics layer of polyvinyl formal resin.
Inventors
- 👤 Gerald T. Downing
- 👤 Michael D. Savagian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:58
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24802; Y10T428/24843; Y10T428/24893; Y10T428/24901; Y10T428/24917; Y10T428/28; Y10T428/2813; Y10T428/2839; Y10T428/2843; Y10T428/2848; Y10T428/2852; Y10T428/2896; Y10T428/31504; Y10T428/31551; Y10T428/31565; Y10T428/31786; Y10T428/31797; Y10T428/31942
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
36 words
A graphics-bearing marking element comprising an ink graphics layer comprising a polyvinyl formal resin present in an amount by weight in the range of 21% to 71% and having an exposed portion and providing marking indicia.
Claim 2
Dependent Claim
36 words
A graphics-bearing marking element comprising an ink graphics layer comprising a polyvinyl formal resin present in an amount by weight in the range of 21% to 71% and having an exposed portion and providing marking indicia.
Claim 3
Dependent Claim
25 words
The element of claim 1 in which said resin is present in an amount by weight in the range of 25 percent to 50 percent.
Claim 4
Dependent Claim
9 words
The element of claim 1 which includes halogen-free pigment.
Claim 5
Dependent Claim
19 words
The element of claim 3 which includes a layer of heat-activatable adhesive comprising polyester resin with a blocked polyisocyanate.
Claim 6
Dependent Claim
11 words
The element of claim 1 which includes a transparent plastic layer.
Claim 7
Dependent Claim
18 words
The element of claim 1 which includes a primer layer between said graphics layer and said plastic layer.
Claim 8
Dependent Claim
14 words
The element of claim 4 or 5 which is a fluid line marking tape.
Claim 9
Dependent Claim
12 words
The element of claim 6 which is a fluid line marking tape.
Claim 10
Dependent Claim
13 words
The element of claim 6 wherein said primer comprises polyester resin with polyisocyanate.
Claim 11
Dependent Claim
12 words
The element of claim 5 wherein said transparent plastic layer comprises polyester.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-04-11 | 1986-10-11 | 1987-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-11 | 1990-10-11 | 1991-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-11 | 1994-10-11 | 1995-04-12 | $7700.00 | Window Closed / Lapsed |