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GB191311993A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in and relating to Electric Heaters.

Assignee: Individual
•
Filing: 1913-05-22
•
Granted: 1914-05-22
•
Expires: 1933-05-22
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Abstract

Abstract 11,993. Mann, J. May 22. Resistances.-A heater is formed by coating a tube of paper or other combustible material with a layer c<2> of composition containing silica, winding one or more coils c<3> of nickelchrome, and applying another layer c<4> of the composition, the tube being then fired to burn away the paper. A current is afterwards passed through the coil so as to form a thin layer of silica about the wire.

Inventors

  • 👤 John Mann

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 01:54
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48

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