US2829073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-stick coating
Assignee: Adhesive Tapes Ltd
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Filing: 1955-09-26
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Granted: 1958-04-01
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Philip L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:38
CPC Classifications
C; C09; C09J; C09J131/00; C09J7/00; C09J7/40; C09J7/401; C09J2431/00; C09J2431/005; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1195; Y10T428/00; Y10T428/14; Y10T428/28; Y10T428/2839; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A SELF-SUPPORTING FILM HAVING A SURFACE COATING COMPRISING A POLYMERIC MATERIAL INCORPORATING HIGHER FATTY ACID VINYL ESTER UNITS, AND A POLYVINYL ACETAL, THE COATING EXHIBITING A LOWER AFFINITY AT ROOM TEMPERATURE FOR A RUBBER-RESIN TYPE PRESSURE-SENSITIVE ADHESIVE THAN DOES THE FILM SURFACE WHICH IS COATED.
References Cited (Backward Citations)
US2118864A
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US2381063A
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US2496349A
Cited
US2532011A
Cited
US2558548A
Cited
US2682484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |