Thermally-responsive fishing lure

• US 3,305,964 A
• Filed: 07/10/1963
• Issued: 02/28/1967
• Est. Priority Date: 07/10/1963
• Status: Expired due to Term

• Current Assignee: Emil S. Wieszeck
• Original Assignee: Emil S. Wieszeck
• Inventors: Wieszeck, Emil S.
• Application Number:
  US04/295,284
• Time in Patent Office: 1,329 Days
• US Class Current: 43/42.03
• CPC Class Codes: A01K 85/14 with flat, or substantially flat, undulating bodies, e.g. spoons
• CPC Class Codes: A01K 85/16 with other than flat, or substantially flat, undulating bodies, e.g. plugs

Claims

2. IN A FISH LURE, AN ELONGATED, SLIGHTLY DISHED BIMETALLIC BODY HAVING A FISH HOOK ATTACHED TO ONE END THEREOF AND A FISHING LINE ATTACHED TO THE OTHER END THEREOF, SAID BODY INCLUDING AT LEAST TWO DISCRETE LAYERS OF METAL, EACH OF SAID LAYERS HAVING A THICKNESS OF A FRACTION OF AN INCH WITH THE METALS IN THE TWO LAYERS BEING DIFFERENT AND HAVING SUBSTANTIALLY DIFFERENT COEFFICIENTS OF THERMAL EXPANSION, SAID DISHED BODY BEING ADAPTED TO REVERSE ITS CONCAVITY DUE TO THE STRESSES CAUSED BY THE DIFFERENCES IN LINEAR DIMENSION CHANGES IN THE BODY DUE TO A SUBSTANTIAL TEMPERATURE CHANGE AS THE LURE MOVES IN A BODY OF WATER FROM AN AREA OF ONE TEMPERATURE TO A DIFFERENT AREA IN WHICH THE TEMPERATURE IS SUBSTANTIALLY DIFFERENT.