Sign up
Title:
Life preserver inflating apparatus
United States Patent 2675143


Inventors:
Seemann Jr., William H.
Application Number:
US20553751A
Publication Date:
04/13/1954
Filing Date:
01/11/1951
Export Citation:
Click for automatic bibliography generation
Assignee:
Seemann Jr., William H.
Primary Class:
222/5
Other Classes:
441/93, 441/95
International Classes:
A41D13/018; B63C9/125; B63C9/19
View Patent Images:
Download PDF 2675143  
US Patent References:
2120248Charging and discharging valve1938-06-14
1367225Life-belt1921-02-01
1329990Automatic life-saving apparatus1920-02-03
Foreign References:
GB189406550A1895-01-19
GB191130342A
DE543647C1932-02-08




© 2004-2022 FreePatentsOnline.com. All rights reserved. Privacy Policy & Terms of Use.