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GB598834A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in or relating to wood-screws and the like

Assignee: EDWARD CHAMBERLAIN THOMPSON
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Filing: 1945-09-20
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Granted: —
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Expires: 1965-09-20
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Abstract

Abstract 598,834. Wood-screws. THOMPSON, E. C. Sept. 20, 1945, No. 24332. [Class 89 (ii)] The shank of a wood-screw has a number of grooves b so arranged, with regard to the axis of the screw, that unscrewing is resisted. The angle between the sides c, d may be less than a right angle and the corner e is preferably radiused.

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Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 01:52
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/0036; F16B25/0078; F16B25/001; F16B25/0015; F16B25/0042; F16B25/0057; F16B25/0063; F16B39/00; F16B39/22; F16B39/28

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