Nonmetallic pipeline marker

• US 3,204,355 A
• Filed: 11/30/1960
• Issued: 09/07/1965
• Est. Priority Date: 11/30/1960
• Status: Expired due to Term

• Current Assignee: Robert L. Whitman
• Original Assignee: Robert L. Whitman
• Inventors: Whitman, Robert L.
• Application Number:
  US04/072,686
• Time in Patent Office: 1,742 Days
• US Class Current: 40/660
• CPC Class Codes: F17D 5/02 Preventing, monitoring, or locating loss
• CPC Class Codes: G09F 7/00 Signs, name or number plates, letters, numerals, or symbols vehicle registration number plates B60R13/10; Panels or boards show-cards G09F1/00; indicating arrangements for variable information G09F9/00, G09F11/00; illuminated signs G09F13/00; boards for notices or posters G09F15/00

Claims

1. A PIPELINE MARKER COMPRISING, IN COMBINATION, A CYLINDRICAL VERTICALLY DISPOSED POST, A SIGN HOLDER MOUNTED UPON SAID POST, SAID SIGN HOLDER COMPRISING A RECESSED, DISH-LIKE BODY MEMBER FORMED FROM A SHEET OF NONMETALLIC, RELATIVELY INERT, MOLDABLE MATERIAL, SAID BODY MEMBER INCLUDING AN INTEGRAL BACK PORTION AND SIGN PLATE POSITIONING MEANS, A SIGN PLATE ATTACHED TO SAID BODY MEMBER, A PAIR OF SPACED PARALLEL ELONGATED CONVEX RIDGES INTEGRALLY DEFINED ON SAID BACK PORTION FROM THE MATERIAL THEREOF DEFINING AN ELONGATED RECESS THEREBETWEEN AND A CYLINDRICAL SURFACE PORTION DEFINED ON EACH OF SAID RIDGES, SAID SURFACE PORTIONS BEING CONCENTRIC AND OF EQUAL RADIUS AND SPACED RELATIVE TO EACH OTHER IN OPPOSED RELATION AND CONSTITUTING A PORTION OF SAID RECESS, SAID POST BEING RECEIVED WITHIN SAID RECESS AND FASTENER MEANS AFFIXING SAID BODY MEMBER TO SAID POST.