US2653881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-activatable sustained-tack adhesive tape
Assignee: Mid-States Gummed Paper Co
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Filing: 1950-12-28
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Granted: 1953-09-29
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Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Vetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/30; C09J7/35; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A HEAT-ACTIVATABLE SUSTAINED-TACK ADHESIVE SHEET COMPRISING A BACKING COATED WITH A COMPOSITION COMPRISING ZERO ACID NUMBER HYDROCARBON TERPENSE RESIN HAVING A MELTING POINT OF THE ORDER OF 115* C. AND AT LEAST ABOUT AN EQUAL AMOUNT OF THE HEAT REACTION PRODUCT OF THE FOLLOWING COMPONENTS IN THE INDICATED PROPORTIONAL MOLAR EQUIVALENTS:
Claim 2
Dependent Claim
51 words
A HEAT-ACTIVATABLE SUSTAINED-TACK ADHESIVE SHEET COMPRISING A BACKING COATED WITH A COMPOSITION COMPRISING ZERO ACID NUMBER HYDROCARBON TERPENSE RESIN HAVING A MELTING POINT OF THE ORDER OF 115* C. AND AT LEAST ABOUT AN EQUAL AMOUNT OF THE HEAT REACTION PRODUCT OF THE FOLLOWING COMPONENTS IN THE INDICATED PROPORTIONAL MOLAR EQUIVALENTS:
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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |