Signals and indicators – Indicators – Operator movable
Reexamination Certificate
2005-05-24
2005-05-24
Smith, R. Alexander (Department: 2859)
Signals and indicators
Indicators
Operator movable
C116S316000, C116S206000, C422S051000, C422S067000, C422S105000, C422S169000
Reexamination Certificate
active
06895889
ABSTRACT:
An airborne hazard detector including a housing having a slot in a side thereof for receiving a sheet of M8 chemical detection paper and a principal opening in the top thereof for the passage of airbourne chemical warfare agents to the sheet and for observing color changes in the sheet. The housing also has a number of secondary openings adjacent the principal opening. A number of manually rotatable dials is positioned within the housing with each being visible through one of the secondary openings. The dials bear indicia indicative of the time and date that the sheet of M8 chemical detection paper was last inspected.
REFERENCES:
patent: 2994771 (1961-08-01), Jones et al.
patent: 3348044 (1967-10-01), Sanders
patent: 3612870 (1971-10-01), Brennan
patent: 4155326 (1979-05-01), Ellis
patent: 4303857 (1981-12-01), Inoue et al.
patent: 4428907 (1984-01-01), Heijenga et al.
patent: 4704535 (1987-11-01), Leber et al.
patent: 4818491 (1989-04-01), Fariss
patent: 4847199 (1989-07-01), Snyder et al.
patent: 4913881 (1990-04-01), Evers
patent: 5035860 (1991-07-01), Kleingeld et al.
patent: 5280834 (1994-01-01), Berkley
patent: 5441698 (1995-08-01), Norell
patent: 5766962 (1998-06-01), Childs et al.
patent: 6140136 (2000-10-01), Lee
patent: 6228657 (2001-05-01), Genovese et al.
patent: 6382409 (2002-05-01), Scala
patent: 6524857 (2003-02-01), Perkins
Roush Richard J.
Roush Susan L.
Greiner Stephen R.
Smith R. Alexander
LandOfFree
Airborne hazard detector does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Airborne hazard detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Airborne hazard detector will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3418908