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.

Date of Patent:
Sep. 18, 1984

Filed:

Jan. 25, 1982
Applicant:
Inventor:

Thomas E Wright, Barrington, IL (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
292292 ; 292295 ;
Abstract

A security lock for attachment to the inside of a door which is secure, pick-proof, adaptable to any door-lock and door-frame combination and is easily locked and unlocked by the user. The lock is characterized by having a hook end to engage the striker plate depression and a slideable lock piece that engages the shank of the lock at adjustable positions to lock upon its serrated or toothed edge against the door and frame at their juncture and thus prevent the door from being swung inwardly.


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