US3674619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Embossing separator
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1969-10-13
•
Granted: 1972-07-04
•
Expires: 1989-10-13
Abstract
Abstract AN EMBOSSING SEPARATOR IS MADE BY IMPREGNATING A FIBROUS MATERIAL, SUCH AS PAPER, WITH A SOLUTION OF A CRYSTALLINE MATERIAL HAVING A SHARP MELTING POINT, AND BONDING THE SO-IMPREGNATED PAPER TO A SUITABLE RELEASE LAYER SUCH AS ALUMINUM FOIL WITH A HOT EMBOSSING ROLL. THIS SEPARATOR IS THEN USED TO IMPART A THREE DIMENSIONAL SURFACE SCULPTURE TO A DECORATIVE LAMINATE DURING THE CURING CYCLE THEREOF.
Inventors
- 👤 Herbert I Scher
- 👤 Israel S Ungar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:56
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24545; Y10T428/31504; Y10T428/31678; Y10T428/31703
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |