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:
Sep. 25, 1984
Filed:
Sep. 15, 1983
Applicant:
Inventor:
Jack V Miller, Sierra Madre, CA (US);
Assignee:
Gravity Guidance, Inc., Duarte, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
272 62 ; 248264 ;
Abstract
The horizontal bar includes tubular members freely telescopically interconnected having laterally extending end plates wedged-shaped and received in doorway brackets on opposite sides of the doorway. The brackets are wedged-shaped and include a passageway narrower in width to provide a friction fit between the side edges of the plates and the lateral ends of the brackets.