Patent Yard Sign in
Expired design patentArchive

Combined portable radio and cassette tape recorder

US D273,379 S · Assignee: Matsushita Electric Industrial Co., Ltd. · Inventors: Hamada; Masanori et al.

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description. Open it full size

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted April 10, 1984. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended April 10, 1998.
  • A design patent protects only how a product looks. We check US rights only.
FiledOctober 22, 1981
GrantedApril 10, 1984
Term endedApril 10, 1998
Application number06/313846
Classification (CPC)—
Length4 pages

Timeline

Timeline From USPTO dates

1985198719891991199319951997Design grantedApril 10, 1984Term endedApril 10, 1998

Sources & verification