US3676128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex film for obtaining silk screen stencils
Assignee: Tiflex Ets
•
Filing: 1967-06-08
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Granted: 1972-07-11
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Expires: 1987-06-08
Abstract
Abstract A COMPLEX FILM FOR PRODUCING SILK SCREEN STENCILS INCLUDES THREE LAYERS SUPERPOSED AND JOINED RELATIVE TO ONE ANOTHER, A BACKING LAYER, AND EMULSION LAYER, AND A TRANSPARENT LAYER INTERPOSED THEREBETWEEN CONSTITURED THE THREE LAYERS, THE BACKING LAYER IS JOINED TO THE TRANSPARENT LAYER ONLY TEMPERARILY AND IS EASILY REMOVED OR PEELED THEREFROM.
Inventors
- 👤 Henri Leopold
- 👤 Jacques Pomathios
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/12
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |