Foundry riser sleeve
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Description
FIG. 1 is a perspective view of the foundry riser sleeve of my new design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a front elevation view thereof; and
FIG. 4 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
3602292 | August 1971 | Baur |
1,433,938 | October 1968 | DEX |
Patent History
Patent number: D248479
Type: Grant
Filed: Jun 13, 1977
Date of Patent: Jul 11, 1978
Assignee: Foseco International Limited
Inventor: Tony William Bastock (Sandbach)
Primary Examiner: Alan P. Douglas
Attorney: John W. Malley
Application Number: 5/806,165
Type: Grant
Filed: Jun 13, 1977
Date of Patent: Jul 11, 1978
Assignee: Foseco International Limited
Inventor: Tony William Bastock (Sandbach)
Primary Examiner: Alan P. Douglas
Attorney: John W. Malley
Application Number: 5/806,165
Classifications