Membership
Tour
Register
Log in
Access door
Follow
Information
Patent Grant
D273995
References
Source
Patent Number
D273,995
Date Filed
Monday, January 4, 1982
43 years ago
Date Issued
Tuesday, May 22, 1984
40 years ago
Inventors
Naka Hiromitsu
Original Assignees
Kabushiki Kaisha Naka Gijutsu Kenkyusho
Examiners
Word; A. Hugo
US Classifications
D25 - Building units and construction elements
Field of Search
US
052 20
052 200
D25 36
D25 48
D25 52
D25 40
098 37
Term of Grant
14Years
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Abstract
Description
Claims
The ornamental design for an access door, as shown and described.
US Referenced Citations (2)
Number
Name
Date
Kind
3975870
Naka
Aug 1976
4300440
Holter
Nov 1981
Non-Patent Literature Citations (1)
Entry
Sweet's Architectural Catalog File, 1981, 8.12/Bg, p. 7, type FC at top left.