Air lock access door

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Description

FIG. 1 is a front top right perspective view of the air lock access door.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a top end plan view thereof.

FIG. 4 is a bottom end plan view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a rear top left perspective view thereof.

Claims

The ornamental design for an air lock access door, as shown and described.

Referenced Cited
U.S. Patent Documents
2551827 May 1951 Curtis
D167947 October 1952 McElroy
3874550 April 1975 Gordon
4352445 October 5, 1982 Cusumano
D422564 April 11, 2000 Arizpe
6095575 August 1, 2000 Woods
D434536 November 28, 2000 Schober
8656645 February 25, 2014 Chwala
8690089 April 8, 2014 Ganser, IV
20030074841 April 24, 2003 Vesey
20070194917 August 23, 2007 Girod
20090129922 May 21, 2009 Cloft
20100037892 February 18, 2010 Bartlett
20100180509 July 22, 2010 Pridemore
20100181781 July 22, 2010 Nelson
20110025087 February 3, 2011 Ramos
Patent History
Patent number: D837844
Type: Grant
Filed: Apr 13, 2017
Date of Patent: Jan 8, 2019
Inventors: Peter Simpson (Cayuga), John Whitney (Harley)
Primary Examiner: Patricia A Palasik
Application Number: 29/600,524