US2553816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive adhesive and adhesive tape
Assignee: 3M Co
•
Filing: 1948-02-16
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Granted: 1951-05-22
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Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Ebel Clarence Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/38; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2852; Y10T428/2874; Y10T428/2878; Y10T428/2891; Y10T428/31504; Y10T428/31855; Y10T428/31942
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A PRESSURE-SENSITIVE ADHESIVE TAPE WOUND UPON ITSELT IN ROLL FORM, COMPRISING A FLEXIBLE BACKING AND, AS A COATING THEREON, A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHEISIVE COMPOSITION COMPRISING OF A MAJOR PROPORTION OF A SYNTHETIC RUBBERY POLYMER OF THE CLASS CONSISTING OF POLYMERS OF ESTERS OF ACRYLIC ACID, ESTERS OF VINYL ALCOHOL, AND ETHERS OF VINYL ALCOHOL, HAVING SATURATED TERMINAL SIDE CHAINS OF AT LEAST FOUR CARBON ATOMS WITH EACH OF SUCH TERMINAL SIDE CHAIN LINKED TO A SINGLE CARBON ATOM THROUGH AN OXYGEN ATOM, AND A MINOR PROPORTION OF A COMPATIBLE, OIL-SOLUBLE, HEAT-AND-OIL-REACTIVE PHENOL-ALDEHYDE RESIN.
References Cited (Backward Citations)
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Cited
US2336792A
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US2410053A
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US2396098A
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US2442018A
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US2415901A
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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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |