Safety automatic door stop
United States Patent 2759227
US Patent References:
/0190341.html
- - 0190341

/0359183.html
- - 0359183

/0788515.html
- - 0788515

Door structure
- - 2017012

Lock bolt
- - 2461284


Inventors:
Reid, James J.
Brown, James F.
Publication Date:
08/21/1956
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Assignee:
Reid, James J.
Brown, James F.
Primary Class:
160/116
Other Classes:
292/172, 292/166, 292/DIG.036, 49/169
International Classes:
E05B65/00; E05C7/06; E05C7/00