Robert Jobson's insulator patent has become void

[Trade Journal]

Publication: The Electrical News and Telegraphic Reporter

London, England
vol. 1, no. 3, p. 35, col. 2

PATENTS WHICH HAVE BECOME VOID.

1961. Lillias Jobson, widow and executrix of Robert Jobson, of Dudley, Worcester, for an invention of "Improvements in the manufacture of supports for telegrah insulators." — Dated June 29, 1872.

Keywords:	Robert Jobsson
Researcher notes:	The patent was submitted by Lillias Jobson. We do not know why the patent was void three years after it was granted. Perhaps the patent was granted for only three years?
Supplemental information:	(see patent gb1872-0001961)
Researcher:	Elton Gish
Date completed:	December 5, 2010 by: Elton Gish;