Flexible rotary tool

• US 2,679,778 A
• Filed: 04/02/1953
• Issued: 06/01/1954
• Est. Priority Date: 04/02/1953
• Status: Expired due to Term

• Current Assignee: Lewis E. Krafft
• Original Assignee: Lewis E. Krafft
• Inventors: Krafft, Lewis E.
• Application Number:
  US03/346,433
• Time in Patent Office: 425 Days
• US Class Current: 81/439
• CPC Class Codes: B25B 13/481 for operating in areas having limited access
• CPC Class Codes: B25B 15/008 Allen-type keys
• CPC Class Codes: B25B 15/02 operated by rotating the handle
• CPC Class Codes: Y10T 403/459 Helical spring type coupling

Claims