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GB223702A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in wireless crystal detectors

Assignee: ALBERT PEARMAIN
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Filing: 1923-09-04
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Granted: —
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Expires: 1943-09-04
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Abstract

Abstract 223,702. Pearmain, A., and Charstone, W. J. Sept. 4, 1923. Crystal detectors. - A catswhisker comprises several turns of iron ribbon and the contact end is cut to form a sabre point.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 04:08
CPC Classifications
H; H10; H10P; H10P95/00

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