US2985609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous pressure-sensitive adhesive composition comprising polyvinylalcohol and a polyethylene amine, and method of making
Assignee: Individual
•
Filing: 1957-09-20
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Granted: 1961-05-23
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Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Karl F Plitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:48
CPC Classifications
C; C09; C09J; C09J157/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/28; C08L2666/54; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2887; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A MIXTURE OF POLYETHYLENE AMINE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
14 words
A PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A MIXTURE OF POLYETHYLENE AMINE HAVING THE STRUCTURAL FORMULA
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |