Fume hood
Latest E. H. Sheldon and Company Patents:
Description
FIG. 1 is a perspective view of a fume hood showing my new design, with two of the panels in the raised position and a stand shown in broken line for illustrative purposes only;
FIG. 2 is a front elevational view thereof with a panel in the lowered position;
FIG. 3 is a rear elevational view thereof with the panels lowered;
FIG. 4 is a plan view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a side elevational view thereof taken from the left of FIG. 2, with the panel lowered; and
FIG. 7 is a side elevational view thereof taken from the right of FIG. 2, with the panel lowered.
Referenced Cited
U.S. Patent Documents
D214376 | June 1969 | Sullivan |
3049069 | August 1962 | Whiston |
3368523 | February 1968 | Becker |
3505945 | April 1970 | Greer |
Patent History
Patent number: D242861
Type: Grant
Filed: Dec 23, 1974
Date of Patent: Dec 28, 1976
Assignee: E. H. Sheldon and Company (Muskegon, MI)
Inventor: Arthur W. Carlson (Muskegon, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Law Firm: Howson, Tilton, Fallon & Lungmus
Application Number: 5/535,172
Type: Grant
Filed: Dec 23, 1974
Date of Patent: Dec 28, 1976
Assignee: E. H. Sheldon and Company (Muskegon, MI)
Inventor: Arthur W. Carlson (Muskegon, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Law Firm: Howson, Tilton, Fallon & Lungmus
Application Number: 5/535,172
Classifications
Current U.S. Class:
D23/151
International Classification: D2304;
International Classification: D2304;