US2816655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low adhesion coatings on adhesive tapes and liners
Assignee: Shawinigan Resins Corp
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Filing: 1954-02-15
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Granted: 1957-12-17
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert N Crozier
- 👤 Macdonald Angus Norbert
- 👤 Aubrey F Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/201; C09J7/30; C09J7/38; C09J2400/00; C09J2400/20; C09J2400/28; C09J2400/283; C09J2401/00; C09J2401/006; C09J2431/00; C09J2431/005; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/14; Y10T428/1476; Y10T428/28; Y10T428/2852; Y10T428/2857
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
AN ADHESIVE TAPE WOUND UPON ITSELF IN ROLL FORM, HAVING A CELLULOSIC FILM BACKING COATED ON THE INNER FACE WITH A PRESSURE-SENSITIVE ADHESIVE AND COATED ON THE OUTER FACE WITH A LOW-ADHESION COMPOSITION COMPRISING A COPOLYMER OF FROM 1 TO 5 MOLS OF A VINYL ESTER OF A SATURATED CARBOXYLIC ACID CONTAINING FROM 2 TO 6 CARBON ATOMS WITH 1 MOL OF A PARTIAL ALKYL ESTER OF MALEIC ACID, THE MALEIC ESTER BEING COMPOSED OF FROM 1/2 TO 1 1/2 MOLS OF AN ALKYL ALCOHOL CONTAINING FROM 10 TO 22 CARBON ATOMS AND 1 MOL OF MALEIC ACID.
References Cited (Backward Citations)
US2168535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |