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:
Nov. 13, 2001

Filed:

Dec. 14, 1999
Applicant:
Inventors:

Kyozaburo Takagi, Centerville, OH (US);

Kazuhiko Kise, Funabashi, JP;

Shinjiro Yagi, Ota-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/52 ;
U.S. Cl.
CPC ...
E04C 2/52 ;
Abstract

An inspection opening frame includes frame components each of which is provided with a support portion extending along the inner surface of an inspection opening, a front wall holding portion projecting outward from the front surface of the support portion, a rear lid holding portion projecting inward from the rear surface of the support portion, a front lid holding portion projecting inward from the front surface of the support portion and pivotally supported about a hinge, a rear wall holding portion projecting outward from the rear surface of the support portion and pivotally supported about another hinge, and locking portions each having a hook and a projection for disengageably locking the front lid holding portion and the rear wall holding portion in holding positions. The inspection opening frame can be easily mounted at the inspection opening without using a backing or the like.


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