Mask attachment

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of mask attachment showing our new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top, right side perspective view thereof, with the cover pulled back; and,

FIG. 8 is a left side perspective view thereof in use condition; the broken line showing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D340114 October 5, 1993 Arginsky
649826 May 1900 Eldred
2303073 November 1942 Brown
2744523 May 1956 Malcolm, Jr. et al.
4004584 January 25, 1977 Geaney
4038979 August 2, 1977 McCosker
4744514 May 17, 1988 Gadoua
5357947 October 25, 1994 Adler
5399404 March 21, 1995 Laughlin et al.
5433192 July 18, 1995 Ebeling
5636628 June 10, 1997 Barnum
Other references
  • The Fischer Cataolg, fron the examiner's reference collection, p. 1392, item 17-622-11, Pestecide Prefilter, Dec. 1992.
Patent History
Patent number: D402027
Type: Grant
Filed: Jan 23, 1997
Date of Patent: Dec 1, 1998
Inventors: J. Michael Elwell (Margate, FL), Sharon B. Elwell (Margate, FL)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Greg Andoll
Application Number: 0/65,194
Classifications
Current U.S. Class: D24/1105; D24/1101; Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110); Element Or Attachment (D29/122)
International Classification: 2902;