Underground conduit
Latest LOF Plastics Inc. Patents:
Description
FIG. 1 is a perspective view of an underground conduit showing our new design, the center thereof shown broken-away to indicate indeterminate length;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.
Referenced Cited
Patent History
Patent number: D285192
Type: Grant
Filed: Dec 5, 1983
Date of Patent: Aug 19, 1986
Assignee: LOF Plastics Inc. (Troy, MI)
Inventors: Charles E. Hubbard (Harper Woods, MI), Donald E. Berkemeier (Bloomfield Hills, MI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Brian N. Vinson
Attorney: Phillip S. Oberlin
Application Number: 6/558,102
Type: Grant
Filed: Dec 5, 1983
Date of Patent: Aug 19, 1986
Assignee: LOF Plastics Inc. (Troy, MI)
Inventors: Charles E. Hubbard (Harper Woods, MI), Donald E. Berkemeier (Bloomfield Hills, MI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Brian N. Vinson
Attorney: Phillip S. Oberlin
Application Number: 6/558,102
Classifications
Current U.S. Class:
D13/13;
D25/74