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US3089786A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure-sensitive adhesive tape

Assignee: 3M Co
•
Filing: 1959-07-13
•
Granted: 1963-05-14
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Expires: 1979-07-13
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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 09:15
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)

US2554791A Cited
US2812550A Cited
US2897960A Cited

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

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