US2750314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tape
Assignee: Permacel Tape Corp
•
Filing: 1949-03-16
•
Granted: 1956-06-12
•
Expires: 1969-03-16
Abstract
No abstract record available.
Inventors
- 👤 Cyrus W Bemmels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:13
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/10; F16L58/1054; F16L58/1063; C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/29; C09J2400/00; C09J2400/20; C09J2400/26; C09J2400/263; Y; Y10; Y10S; Y10S138/00; Y10S138/10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2848; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A NON-WOVEN BACKING, A LAYER OF SOFT, RUBBERY AND COHESIVE BONDING COAT COMPRISING A SOFT RUBBER THEREON, A LAYER OF PARALLEL STRANDS OF STRONG, HIGH TENACITY RAYON EXTENDING LONGITUDINALLY OF SAID TAPE ON SAID BONDING COAT AND SPACED LATERALLY FROM EACH OTHER, AND A CONTINUOUS LAYER OF A NORMALLY TACKY AND PRESSURESENSITIVE ADHESIVE COVERING SAID LAYER OF STRANDS AND SAID BONDING COAT, IN WHICH ADHESIVE TAPE THE SPACES BETWEEN THE ADJACENT STRANDS ARE SUBSTANTIALLY FILLED WITH PRESSURESENSITIVE ADHESIVE AND COVERED TO THE SUBSTANTIAL EXCLUSION OF AIR, SAID STRANDS BEING DISCONNECTED MECHANICALLY FROM EACH OTHER AND BEING RETAINED IN THEIR INDIVIDUAL POSITIONS SOLELY BY ADHESIVE MEANS.
Claim 2
Dependent Claim
113 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A NON-WOVEN BACKING, A LAYER OF SOFT, RUBBERY AND COHESIVE BONDING COAT COMPRISING A SOFT RUBBER THEREON, A LAYER OF PARALLEL STRANDS OF STRONG, HIGH TENACITY RAYON EXTENDING LONGITUDINALLY OF SAID TAPE ON SAID BONDING COAT AND SPACED LATERALLY FROM EACH OTHER, AND A CONTINUOUS LAYER OF A NORMALLY TACKY AND PRESSURESENSITIVE ADHESIVE COVERING SAID LAYER OF STRANDS AND SAID BONDING COAT, IN WHICH ADHESIVE TAPE THE SPACES BETWEEN THE ADJACENT STRANDS ARE SUBSTANTIALLY FILLED WITH PRESSURESENSITIVE ADHESIVE AND COVERED TO THE SUBSTANTIAL EXCLUSION OF AIR, SAID STRANDS BEING DISCONNECTED MECHANICALLY FROM EACH OTHER AND BEING RETAINED IN THEIR INDIVIDUAL POSITIONS SOLELY BY ADHESIVE MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |