Title:
Erasing instrument
United States Patent 3099251


Inventors:
Michael, Hertz
Application Number:
US16679762A
Publication Date:
07/30/1963
Filing Date:
01/17/1962
Assignee:
Michael, Hertz
Primary Class:
International Classes:
B43K29/02; B43L19/00
View Patent Images:
US Patent References:
2812744Eraser support for mechanical pencils1957-11-12
2658480Pencil attached adjustable eraser1953-11-10
2613644Eraser and cap assembly for pencils1952-10-14
2532037Extendible eraser1950-11-28
2356474Eraser for mechanical pencils1944-08-22
2286878Adjustable eraser holder1942-06-16
2182846Mechanical pencil1939-12-12
1267955N/A1918-05-28
1104514N/A1914-07-21
0587243N/A1897-07-27