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US3623909A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of removing a coating from a surface

Assignee: JOSEPHINE V JONES
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Filing: 1970-05-26
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Granted: 1971-11-30
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Expires: 1990-05-26
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Abstract

Abstract AN APPARATUS AND METHOD OF REMOVING PAING BY HEAT, WHICH UTILIZES A HEATING ELEMENT TO HEAT A SHEET OF MATERIAL, WHICH PREFERABLY INCLUDES A METAL FOIL AND A MESH-LIKE MATERIAL SUCH AS COTTON OR FABRIC MESH TO ENABLE THE HEATING OF THE PAINT THROUGH THE METALLIC FOIL AND MESH TO CAUSE THE SOFTENING AND LIQUIFYING OF THE PAINT TO SUCH A DEGREE THAT UNDER HEAT AND PRESSURE IT WILL BE DIRECTED INTO THE MESH OR FABRIC, AND UPON CESSATION OF HEATING THE PAINT FOR A SHORT TIME, THE HEATED PAINT WILL ADHERE TO THE MESH TO ENABLE THE REMOVAL OF THE MESH CONTAINING THE PAINT FROM A PAINTED SURFACE. THE SHEET OF METALLIC FOIL, WHICH IS PREFERABLY ALUMINUM FOIL, PREVENTS THE ELECTRICAL HEATING ELEMENT FROM BECOMING COATED WITH HEATED PAINT. ALSO THE FOIL ACTS AS AN EFFICIENT HEAT CONDUCTOR TO HEAT THE PAINT.

Inventors

  • 👤 Josephine V Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:55
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/166; B44D3/168

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) 1974-11-29 1975-05-31 1975-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-29 1979-05-31 1979-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-29 1983-05-31 1983-11-30 $7700.00 Window Closed / Lapsed

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