Patent US3725124A successfully refreshed from Google Patents.
US3725124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric film coated with vinyl acetate/ethylene copolymer adhesive
Assignee: Reichhold Chemicals Inc
•
Filing: 1968-10-01
•
Granted: 1973-04-03
•
Expires: 1988-10-01
Abstract
Abstract A POLYMERIC FILM, E.G., POLYVINYL CHLORIDE, IS DISCLOSED WHICH HAS, AS A HEAT SEALABLE COATING ON A SURFACE THEREOF, A VINYLACETATAE/ETHYLENE COPOLYMER CONTAINING EITHER IMINATED CARBOXYLIC ACID GROUPS OR N-METHYLOL AMIDE GROUPS. THE FILM IS PARTICULARLY USEFUL IN A DECORATIVE FILM/ BOARD LAMINATE PREPARED BY A VACUUM FORMING TECHNIQUE.
Inventors
- 👤 B Gorton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:02
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2852; Y10T428/2878; Y10T428/2887; Y10T428/2891; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |