Magnetic antenna systems

• US 2,740,113 A
• Filed: 01/03/1952
• Issued: 03/27/1956
• Est. Priority Date: 01/03/1952
• Status: Expired due to Term

• Current Assignee: Alfred A. Hemphill
• Original Assignee: Alfred A. Hemphill
• Inventors: Hemphill, Alfred A.
• Application Number:
  US03/264,717
• Time in Patent Office: 1,545 Days
• US Class Current: 343/787
• CPC Class Codes: F01D 5/30 Fixing blades to rotors; Blade roots ; Blade spacers
• CPC Class Codes: F01D 5/3038 the slot having inwardly directed abutment faces on both sides
• CPC Class Codes: H01Q 1/286 substantially flush mounted with the skin of the craft
• CPC Class Codes: H01Q 7/06 with core of ferromagnetic material H01Q7/02 takes precedence
• CPC Class Codes: Y02T 50/60 Efficient propulsion technologies, e.g. for aircraft

Claims