Access door

Description

FIG. 1 is a front view of an access door showing my design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a front perspective view thereof, in its open position, and;

FIG. 8 is a rear perspective view thereof, in its open position.

Referenced Cited
U.S. Patent Documents
3975870 August 24, 1976 Naka
4300440 November 17, 1981 Holter
Other references
  • Sweet's Architectural Catalog File, 1981, 8.12/Bg, p. 7, type FC at top left.
Patent History
Patent number: D273995
Type: Grant
Filed: Jan 4, 1982
Date of Patent: May 22, 1984
Assignee: Kabushiki Kaisha Naka Gijutsu Kenkyusho (Sapporo)
Inventor: Hiromitsu Naka (Yashio)
Primary Examiner: A. Hugo Word
Application Number: 6/336,589
Classifications
Current U.S. Class: D25/48