Elbow cover for insulated pipework
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Description
FIG. 1 is a front elevational view of an elbow cover for insulated pipework showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a cross sectional view taken on line 6--6 of FIG. 4;
FIG. 7 is a cross sectional view taken on line 7--7 of FIG. 4; and
FIG. 8 is a perspective view thereof showing the cover in an open position.
Referenced Cited
U.S. Patent Documents
D264120 | April 27, 1982 | Karakawa |
1261221 | April 1918 | Dutcher |
3153546 | October 1964 | Dunn |
3495629 | February 1970 | Botsolas et al. |
3572395 | March 1971 | Burns |
3960181 | June 1, 1976 | Baur et al. |
4139026 | February 13, 1979 | Zack |
4426108 | January 17, 1984 | Kesselman |
4669509 | June 2, 1987 | Botsolas |
4838318 | June 13, 1989 | Karakawa |
Patent History
Patent number: D312499
Type: Grant
Filed: Feb 23, 1988
Date of Patent: Nov 27, 1990
Assignee: Yamato Kogyo Kabushiki Kaisha (Ibaraki)
Inventor: Kazuo Karakawa (Koga)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/149,565
Type: Grant
Filed: Feb 23, 1988
Date of Patent: Nov 27, 1990
Assignee: Yamato Kogyo Kabushiki Kaisha (Ibaraki)
Inventor: Kazuo Karakawa (Koga)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/149,565
Classifications
Current U.S. Class:
Element Or Attachment, Not Elsewhere Specified (D23/386)