Blade for mixing liquids in a conduit
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Description
FIG. 1 is a front view of a blade for mixing liquids in a conduit having our new design.
FIG. 2 is a rear view thereof shown in FIG. 1.
FIG. 3 is a side view taken from the right of FIG. 1; and,
FIG. 4 is a side view taken from the left of FIG. 1.
Referenced Cited
U.S. Patent Documents
170989 | December 1875 | Cloudman |
D226823 | May 1973 | Landberg |
745853 | December 1903 | Ingraham |
2201947 | May 1940 | Valentine |
3887300 | June 1975 | Quinn |
Patent History
Patent number: D255451
Type: Grant
Filed: Dec 12, 1977
Date of Patent: Jun 17, 1980
Assignee: General Signal Corporation (Stamford, CT)
Inventors: Norman R. Herbst (Rochester, NY), Ronald N. Salzman (Rochester, NY), William F. Hutchings (Fairport, NY), William J. Montagno (Rochester, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Attorney: Jeffrey S. Mednick
Application Number: 5/859,353
Type: Grant
Filed: Dec 12, 1977
Date of Patent: Jun 17, 1980
Assignee: General Signal Corporation (Stamford, CT)
Inventors: Norman R. Herbst (Rochester, NY), Ronald N. Salzman (Rochester, NY), William F. Hutchings (Fairport, NY), William J. Montagno (Rochester, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Attorney: Jeffrey S. Mednick
Application Number: 5/859,353
Classifications
Current U.S. Class:
Element Or Attachment (D15/138);
Miscellaneous (D15/199)
International Classification: D1599;
International Classification: D1599;