Writing and weighing instruments

Details Writing and weighing instruments Writing and weighing instruments

1979-03-22

1981-03-17

Michell, Robert W.

Weighing scales

Self-positioning

Spring

177245, 401195, G01G 302, B43K 2900

Patent

active

042561957

ABSTRACT:
A writing instrument which will function both for writing and for weighing small items such as letters. The instrument has a tubular body housing a member slidable within it and can slide in and out of one end. The slidable member carries a writing tip such as a nib, lead or ball point. The other end of the tubular body is closed by a plug which carries a letter holding clamp and a spring is provided between the plug and the slidable member.

REFERENCES:
patent: 698370 (1902-04-01), Burrow
patent: 2097837 (1937-11-01), Kaplan
patent: 2129469 (1938-09-01), Hedges
patent: 2690927 (1954-10-01), Bean

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