Duct offset elbow
Description
FIG. 1 is a top perspective view of a duct offset elbow showing our new design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of the side shown;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an elevational view taken from the end opposite that shown in FIG. 3; and,
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D33258 | September 1900 | Kelly |
D335174 | April 27, 1993 | Anderson et al. |
925762 | June 1909 | Eager |
2086007 | July 1937 | Tompkins |
2131804 | October 1938 | Holub |
2348455 | May 1944 | Daudelin |
2392220 | January 1946 | Bruhn et al. |
2823703 | February 1958 | Nusser, Jr. |
3185506 | May 1965 | Szlashta |
5121948 | June 16, 1992 | Anderson et al. |
5145217 | September 8, 1992 | Anderson et al. |
Patent History
Patent number: D342130
Type: Grant
Filed: Jan 31, 1992
Date of Patent: Dec 7, 1993
Assignee: Builder's Best, Inc. (Jacksonville, TX)
Inventors: Charles B. Anderson (Jacksonville, TX), Charles R. Kenrick (Spring Lake, MI)
Primary Examiner: James R. Largen
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 7/829,721
Type: Grant
Filed: Jan 31, 1992
Date of Patent: Dec 7, 1993
Assignee: Builder's Best, Inc. (Jacksonville, TX)
Inventors: Charles B. Anderson (Jacksonville, TX), Charles R. Kenrick (Spring Lake, MI)
Primary Examiner: James R. Largen
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 7/829,721
Classifications