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:
Nov. 23, 1976
Filed:
Sep. 15, 1975
Applicant:
Inventor:
William B Imhoff, Springdale, CT (US);
Assignee:
Leigh Products, Inc., Coopersville, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
292332 ;
Abstract
An automatic surface bolt for doors swinging in pairs having a stop to hold the active door open until the inactive door is closed and a top bolt which is actuated by movement of the stop to lock the inactive door as the active door completes its closing movement, the inactive door having also a bottom bolt arranged to be actuated by the top bolt so that the door is bolted top and bottom when both doors are closed; both bolts holding the inactive door are automatically released when the active door is opened.