×

Sign language blocks

  • US 4,846,687 A
  • Filed: 10/11/1988
  • Issued: 07/11/1989
  • Est. Priority Date: 10/11/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. Sign language educational blocks for instructional teaching of sign language designations comprising,a plurality of sign language blocks wherein each of said blocks is formed with a letter face for illustration of a predetermined alphabet letter, anda pictorial face for presenting a predetermined illustration whose spelling begins with a predetermined alphabet letter, anda removable face removably and selectively securable to a securement face of one of said sign language blocks wherein said removable face is provided with an illustrative sign language designation corresponding to the predetermined alphabet letter.

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