US2790732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive sheet containing specific mass deactivators
Assignee: Industrial Tape Corp
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Filing: 1952-09-22
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Granted: 1957-04-30
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Expires: 1972-09-22
Abstract
No abstract record available.
Inventors
- 👤 James A Mcgarry
- 👤 Charles L Weidner
- 👤 Milton A Bergstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:05
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/22; C09J7/30; C09J7/38; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2857; Y10T428/2878; Y10T428/2891; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754; Y10T442/2861; Y10T442/2869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN ADHESIVE SHEET COMPRISING: A BACKING HAVING HYDROPHILIC CHARACTERISTICS AND A COATING OF A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE MASS COMPRISING A MAJOR PROPORTION BY WEIGHT OF A LOWER ALKYL VINYL ETHER POLYMER UNITED TO SAID BACKING; SAID ADHESIVE MASS INCLUDING A TACKIFYING AGENT IN AN AMOUNT TO RENDER THE ADHESIVE MASS NORMALLY TACKY AND PRESSURE-SENSITIVE AND A MINOR PROPORTION, NOT MORE THAN FIVE PER CENT BY WEIGHT, OF GLYCERYL MONOSTEARATE AS SPECIFIC DEACTIVATOR FOR SAID ADHESIVE MASS.
Claim 2
Dependent Claim
78 words
AN ADHESIVE SHEET COMPRISING: A BACKING HAVING HYDROPHILIC CHARACTERISTICS AND A COATING OF A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE MASS COMPRISING A MAJOR PROPORTION BY WEIGHT OF A LOWER ALKYL VINYL ETHER POLYMER UNITED TO SAID BACKING; SAID ADHESIVE MASS INCLUDING A TACKIFYING AGENT IN AN AMOUNT TO RENDER THE ADHESIVE MASS NORMALLY TACKY AND PRESSURE-SENSITIVE AND A MINOR PROPORTION, NOT MORE THAN FIVE PER CENT BY WEIGHT, OF GLYCERYL MONOSTEARATE AS SPECIFIC DEACTIVATOR FOR SAID ADHESIVE MASS.
References Cited (Backward Citations)
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Cited
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US2377647A
Cited
US2365020A
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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) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |