PTO Wrapper PDF
Dossier Espace Google
Patent
   D274748
Priority
May 27 1981
Filed
May 27 1981
Issued
Jul 17 1984
Expiry
Jul 17 1998
Inventors
Aberg, Rol…
Assg.orig
AKE BERGDA…
Assg.curr
A C C AIR…
Entity
unknown
Referenced by
6
References
11
Maint.:
n/a
The ornamental design of a fume ventilating work station for laboratories, shown and described.

FIG. 1 is a prospective view taken from the top, front and left side of a fume ventilating work station for laboratories showing my new design; and

FIG. 2 is a prospective view taken from the bottom, rear and left side thereof.
INVENTORS:

Aberg, Roland

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D346437, May 11 1993 Kewaunee Scientific Corporation Fume hood
D580539, Sep 08 2006 BLUEAIR AB Air purifier
D591412, Mar 10 2006 BLUEAIR AB Air purifier
D591413, Sep 08 2006 BLUEAIR AB Air purifier
D627900, May 07 2008 UMICORE AG & CO KG Glove box
D645976, Sep 26 2008 Don Whitley Scientific Limited Laboratory apparatus
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2702505,
3049069,
3895570,
3926597,
4179984, Sep 05 1978 Slide mounting work station
149771,
214375,
220324,
221847,
D242861, Dec 23 1974 E. H. Sheldon and Company Fume hood
D263737, Aug 29 1979 Ventilating hood for an electroplating tank
ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 1981ABERG, ROLANDAKE BERGDAHLASSIGNMENT OF ASSIGNORS INTEREST 0039300065 pdf
May 27 1981A.C.C. Air Clean Co.(assignment on the face of the patent)
Oct 25 1982BERGDAHL AKEA C C AIR CLEAN COMPANY, ABASSIGNMENT OF ASSIGNORS INTEREST 0040750253 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule