← Back to Patent Explorer
US3676128A Expired / Lapsed US ⏱️ 0.0 years remaining

Complex film for obtaining silk screen stencils

Assignee: Tiflex Ets
•
Filing: 1967-06-08
•
Granted: 1972-07-11
•
Expires: 1987-06-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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
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) 1975-07-11 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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag