Unobtrusive personal air filtration device

Details Unobtrusive personal air filtration device Unobtrusive personal air filtration device

2006-10-13

2009-06-09

Barry, Chester T (Department: 1797)

Surgery

Respiratory method or device

Face mask covering a breathing passage

Reexamination Certificate

active

07543585

ABSTRACT:
A personal air-filtration device directing filtered air at the face without the use of a mask or a mouthpiece is described. The inventive device provides filtered air to the user without obstructing the user's mouth, thus allowing the user to talk and consume food and/or water while in operation.

REFERENCES:
patent: 3651659 (1972-03-01), Nakao et al.
patent: 3773043 (1973-11-01), Wachter
patent: 3943726 (1976-03-01), Miller
patent: 4191242 (1980-03-01), Kumagai
patent: 4207882 (1980-06-01), Lemere
patent: 4614186 (1986-09-01), John
patent: 4634117 (1987-01-01), Kramer
patent: 4781184 (1988-11-01), Fife
patent: 4915105 (1990-04-01), Lee
patent: 4938211 (1990-07-01), Takahashi
patent: 5086768 (1992-02-01), Niemeyer
patent: 5386825 (1995-02-01), Bates
patent: 5771885 (1998-06-01), Putrello
patent: 6550479 (2003-04-01), Duxbury
patent: 6971386 (2005-12-01), Duxbury
patent: 7025060 (2006-04-01), Nicholson
patent: 2004/0237962 (2004-12-01), Russell
patent: 2005/0161046 (2005-07-01), Michaels

Affiliated with

Also associated with

Rating

Unobtrusive personal air filtration device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Unobtrusive personal air filtration device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Unobtrusive personal air filtration device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4056416