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US3207068A Expired / Lapsed US ⏱️ 0.0 years remaining

Stencil printing apparatus

Assignee: Bradford Dyers Association Ltd
•
Filing: 1962-10-11
•
Granted: 1965-09-21
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Expires: 1982-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Leckie Thomas Liddle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:54
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/08; B41F15/0831; B41F15/0845; B41F15/085

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 184 words
A MACHINE FOR STENCIL-PRINTING A THICK FABRIC COMPRISING A HORIZONTAL PERFORATED SUPPORT, A STENCIL HAVING A PLURALITY OF OPENINGS IN ITS CENTRAL PART AND WITH IMPERFORATE ENDS ABOVE THE SUPPORT, MEANS FOR INTERMITTENTLY MOVING A FABRIC OVER THE SUPPORT AND BELOW THE STENCIL, A BOTTOMLESS CONTAINER FOR COLOURING MATTER HAVING A FLEXIBLE LOWER EDGE MEANS FOR LOWERING THE STENCIL AND THE BOTTOMLESS COLOR CONTAINER WHEREBY THE STENCIL AND CONTAINER ARE IN CONSTANT PRESSURE CONTACT DURING THE LOWERING AND WHEREBY THE STENCIL IS PLACED INTO PRINTING POSITION, MEANS FOR TRAVERSING THE CONTAINER OVER THE STENCIL FROM ONE IMPERFORATE END TO THE OTHER WHEREBY COLOURING MATTER CAN PASS THROUGH THE STENCIL OPENINGS DURING THE TRAVERSING BUT IS RETAINED IN THE CONTAINER WHEN IT IS AT EACH END, SEPARATE LIFTING MEANS FOR THE STENCIL AND FOR THE CONTAINER AND MECHANISM OPERATIVE TO CAUSE THE FIRST OF THESE MEANS TO LIFT THE STENCIL TO A GREATER DISTANCE THAN THE CONTAINER IS LIFTED BY THE SECOND OF THESE MEANS WHEREBY A PRESSURE IS MAINTAINED BETWEEN THE STENCIL AND THE FLEXIBLE EDGE TO GIVE A SEALING EFFECT TO SAID EDGE.
Claim 2
Dependent Claim 184 words
A MACHINE FOR STENCIL-PRINTING A THICK FABRIC COMPRISING A HORIZONTAL PERFORATED SUPPORT, A STENCIL HAVING A PLURALITY OF OPENINGS IN ITS CENTRAL PART AND WITH IMPERFORATE ENDS ABOVE THE SUPPORT, MEANS FOR INTERMITTENTLY MOVING A FABRIC OVER THE SUPPORT AND BELOW THE STENCIL, A BOTTOMLESS CONTAINER FOR COLOURING MATTER HAVING A FLEXIBLE LOWER EDGE MEANS FOR LOWERING THE STENCIL AND THE BOTTOMLESS COLOR CONTAINER WHEREBY THE STENCIL AND CONTAINER ARE IN CONSTANT PRESSURE CONTACT DURING THE LOWERING AND WHEREBY THE STENCIL IS PLACED INTO PRINTING POSITION, MEANS FOR TRAVERSING THE CONTAINER OVER THE STENCIL FROM ONE IMPERFORATE END TO THE OTHER WHEREBY COLOURING MATTER CAN PASS THROUGH THE STENCIL OPENINGS DURING THE TRAVERSING BUT IS RETAINED IN THE CONTAINER WHEN IT IS AT EACH END, SEPARATE LIFTING MEANS FOR THE STENCIL AND FOR THE CONTAINER AND MECHANISM OPERATIVE TO CAUSE THE FIRST OF THESE MEANS TO LIFT THE STENCIL TO A GREATER DISTANCE THAN THE CONTAINER IS LIFTED BY THE SECOND OF THESE MEANS WHEREBY A PRESSURE IS MAINTAINED BETWEEN THE STENCIL AND THE FLEXIBLE EDGE TO GIVE A SEALING EFFECT TO SAID EDGE.

References Cited (Backward Citations)

GB518036A Cited
US2371930A Cited
US2321134A Cited
US2612835A Cited
US2862445A Cited
US2991711A Cited
US2923235A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-20 1969-03-22 1969-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-20 1973-03-22 1973-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-20 1977-03-22 1977-09-21 $7700.00 Window Closed / Lapsed

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