US2884342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive sheet material
Assignee: Kendall Co
•
Filing: 1956-04-02
•
Granted: 1959-04-28
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Ernst A Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:50
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/205; C09J7/21; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN ADHESIVE SHEET MATERIAL COMPRISING A FLEXIBLE SHET BACKING HAVING A LAYER OF PRESSURE-SENSITIVE ADHESIVE ADHERENT TO ONE SIDE THEREOF, SAID BACKING BEING IMPREGNATED WITH A MIXTURE OF A CURED AMINO-ALDEHYDE CONDENSATION PRODUCT AND A VINYL RESIN, SAID CONDENSATION PRODUCT HAVING BEEN CURED IN ADMIXTURE WITH THE VINYL RESIN WHILE IMPREGNATED IN THE BACKING
Claim 2
Dependent Claim
54 words
AN ADHESIVE SHEET MATERIAL COMPRISING A FLEXIBLE SHET BACKING HAVING A LAYER OF PRESSURE-SENSITIVE ADHESIVE ADHERENT TO ONE SIDE THEREOF, SAID BACKING BEING IMPREGNATED WITH A MIXTURE OF A CURED AMINO-ALDEHYDE CONDENSATION PRODUCT AND A VINYL RESIN, SAID CONDENSATION PRODUCT HAVING BEEN CURED IN ADMIXTURE WITH THE VINYL RESIN WHILE IMPREGNATED IN THE BACKING
References Cited (Backward Citations)
US2733169A
Cited
US2243560A
Cited
US2423428A
Cited
US2548980A
Cited
US2631947A
Cited
US2730459A
Cited
US2728688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |