US4418105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-coated tape construction having an identifiable extended liner
Assignee: 3M Co
•
Filing: 1981-09-21
•
Granted: 1983-11-29
•
Expires: 2001-09-21
Abstract
Abstract A tape construction having a pressure sensitive adhesive coating on both sides of a backing, and a release liner covering one adhesive surface thereon. Wherein the release liner has an extended portion to facilitate its removal and wherein the extended portion has a wave-shaped outer edge to facilitate its identification.
Inventors
- 👤 James A. Stratton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:53
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/14; Y10T428/1476; Y10T428/24; Y10T428/24777; Y10T428/28; Y10T428/2848
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
117 words
An adhesive tape assembly including a backing having a pressure sensitive adhesive coating covering its top and its bottom surfaces and a release liner covering one of said adhesive coatings, wherein one edge of said release liner is co-linear with said backing along one edge of said backing, and the opposing edge of said release liner extends laterally beyond the other edge of said backing so as to afford a tab portion for removing said release liner from said backing, and wherein said extended edge of said release liner has a different outer profile than said co-linear edge, with said outer profile of said extended edge being wave-shaped so as to afford its easy identification and location.
Claim 2
Dependent Claim
117 words
An adhesive tape assembly including a backing having a pressure sensitive adhesive coating covering its top and its bottom surfaces and a release liner covering one of said adhesive coatings, wherein one edge of said release liner is co-linear with said backing along one edge of said backing, and the opposing edge of said release liner extends laterally beyond the other edge of said backing so as to afford a tab portion for removing said release liner from said backing, and wherein said extended edge of said release liner has a different outer profile than said co-linear edge, with said outer profile of said extended edge being wave-shaped so as to afford its easy identification and location.
Claim 3
Dependent Claim
16 words
An adhesive tape assembly as claimed in claim 1 wherein said wave-shaped profile is generally sinusoidal.
Claim 4
Dependent Claim
16 words
An adhesive tape assembly as claimed in claim 1 wherein said wave-shaped profile is generally triangular.
References Cited (Backward Citations)
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Cited
US2904917A
Cited
US2906397A
Cited
US3221427A
Cited
US3674286A
Cited
US3958051A
Cited
US4061808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-28 | 1987-05-30 | 1987-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-28 | 1991-05-30 | 1991-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-28 | 1995-05-30 | 1995-11-29 | $7700.00 | Window Closed / Lapsed |