Telephone network interface apparatus

Information

  • Patent Grant
  • D312820
  • Patent Number
    D312,820
  • Date Filed
    Friday, March 4, 1988
    36 years ago
  • Date Issued
    Tuesday, December 11, 1990
    33 years ago
Abstract
Description
Claims
  • The ornamental design for a telephone network interface apparatus, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D274721 Smith Jul 1984
D282654 Perry et al. Feb 1986
D300923 Collins et al. May 1989
4749359 White Jun 1988
4800588 Poster, Jr. Jan 1989
Non-Patent Literature Citations (1)
Entry
Keptel, SNl-2900, Network Interface System in an Ad Flyer, 2 Pages, .COPYRGT.1987, Keptel Inc.