Title:
Remailable billing envelopes
United States Patent 2931559


Inventors:
Hilliard, David P.
Application Number:
US45149554A
Publication Date:
04/05/1960
Filing Date:
08/23/1954
Assignee:
ENVO BILL CORP
Primary Class:
Other Classes:
235/63H, 462/65
International Classes:
B42D15/08; B65D27/06
View Patent Images:
US Patent References:
2527925Envelope1950-10-31
2317335Envelope1943-04-20
2196461Dry-sealing envelope1940-04-09
1201419N/A1916-10-17
0041804N/A1864-03-01
Foreign References:
GB505518A1939-05-12