Title:
Dust cover for automatic telephone system mechanism
United States Patent 2943136


Inventors:
Bjorn, Smith
Application Number:
US68738857A
Publication Date:
06/28/1960
Filing Date:
10/01/1957
Assignee:
Automatic, Elect Lab
Primary Class:
Other Classes:
220/476, 312/245, 439/892
International Classes:
H04Q1/04; H05K5/03
View Patent Images:
US Patent References:
2691362Hog trough1954-10-12
1620047Sectional cabinet for electrical apparatus1927-03-08
1156974N/A1915-10-19
1065875N/A1913-06-24
1013972N/A1912-01-09