×

Communication card with telephone line interlock and cellular interconnect

  • US 5,877,565 A
  • Filed: 02/24/1998
  • Issued: 03/02/1999
  • Est. Priority Date: 02/24/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. An interlocking connector for a communication card, comprising:

  • a first portion to prevent access to a PSTN connection on said communication card when said interlocking connector is connected with said communication card; and

    a second portion to allow communication between a cellular telephone and said communication card when said interlocking connector is connected with said communication card.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×