The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 1976
Filed:
Jan. 13, 1972
Applicant:
Inventor:
Parker W Hirtle, Lexington, MA (US);
Assignee:
Bolt Beranek and Newman, Inc., Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
49477 ; 49306 ;
Abstract
This disclosure deals with a novel closure seal embodying the compression of a region of a tubular member adjacent a door mounting edge during closure of the door, to pump air into a communicating region of the member disposed along the bottom edge of the door, to expand the same into a seal upon total closure of the door.