US3089786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive adhesive tape
Assignee: 3M Co
•
Filing: 1959-07-13
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Granted: 1963-05-14
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Henry G Nachtsheim
- 👤 Edward J Meyer
- 👤 Grande Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:25
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/24; C09J7/245; Y; Y10; Y10S; Y10S116/00; Y10S116/14; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PRESSURE-SENSITIVE ADHESIVE TAPE HAVING A TRANSPARENT FILM BACKING COATED WITH AN AGGRESSIVELY TACKY PRESSURE-SENSITIVE ADHESIVE, CHARACTERIZED BY THE FEATURE THAT SAID BACKING IS A TRANSPARENT, RIGID, TENSILIZED AND CROSSSTRETCHED, SO AS TO BE CROSS-TOUGHENED, FILM CONSISTING ESSENTIALLY OF UNPLASTICIZED POLYVINYL CHLORIDE, SAID FILM HAVING A THICKNESS OF FROM 1 TO 2 MILS, A LENGTHWISE STIFFNESS MODULUS OF AT LEAST 4.5X105 POUNDS PER SQUARE INCH OF CROSS-SECTIONAL AREA MEASURED AT 1 PERCENT ELONGATION,
Claim 2
Dependent Claim
73 words
A PRESSURE-SENSITIVE ADHESIVE TAPE HAVING A TRANSPARENT FILM BACKING COATED WITH AN AGGRESSIVELY TACKY PRESSURE-SENSITIVE ADHESIVE, CHARACTERIZED BY THE FEATURE THAT SAID BACKING IS A TRANSPARENT, RIGID, TENSILIZED AND CROSSSTRETCHED, SO AS TO BE CROSS-TOUGHENED, FILM CONSISTING ESSENTIALLY OF UNPLASTICIZED POLYVINYL CHLORIDE, SAID FILM HAVING A THICKNESS OF FROM 1 TO 2 MILS, A LENGTHWISE STIFFNESS MODULUS OF AT LEAST 4.5X105 POUNDS PER SQUARE INCH OF CROSS-SECTIONAL AREA MEASURED AT 1 PERCENT ELONGATION,
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |