US3598679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a pressure-transferrable tape
Assignee: Vitta Corp
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Filing: 1968-03-04
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Granted: 1971-08-10
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Expires: 1988-03-04
Abstract
Abstract A FLEXIBLE TRANSFERRABLE FILMLIKE CASTING. INDIVIDUAL THIN FILMS ARE CAST ONTO THE FLEXIBLE SUPPORTING SUBSTRATE BY DOCTOR-BLADING A HEAVILY LOADED SLURRY OF A SOLID INORGANIC POWDER MIXED WITH A PLASTICIZED BINDER. THE EXPOSED SURFACE OF THE RESULTING SLURRY CASTING IS DRIED, WHILE THE SURFACE CONTACTING THE SUBSTRATE REMAINS TACKY AND CAN BE USED AS AN ADHESIVE. ONE CASTING MAY BE STRIPPED FROM ITS SUBSTRATE AND THE TACKY SURFACE APPLIED TO THE EXPOSED DRY SURFACE AND ANOTHER CASTING. THE SUPERIMPOSED CASTINGS ARE THEN BONDED TOGETHER SOLELY BY PRESSURE.
Inventors
- 👤 Kitty S Ettre
- 👤 George R Castles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:49
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1733; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1705; Y10T428/00; Y10T428/14; Y10T428/1462; Y10T428/24; Y10T428/24942; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 0
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |