TREA

Letter opener

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Information

  • Patent Grant
  • D312564
  • Patent Number
    D312,564
  • Date Filed
    Thursday, December 22, 1988
    37 years ago
  • Date Issued
    Tuesday, December 4, 1990
    35 years ago
  • Inventors
  • Examiners
    • Ansher; Bernard
    • Pfeffer; Terry A.
    Agents
    • Collard, Roe & Galgano
  • US Classifications
    Field of Search
    • US
    • D08 102-104
    • D08 98-99
    • 030 DIG 3
    • 030 289
    • 030 294
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a letter opener, as shown and described.
US Referenced Citations (2)
Number Name Date Kind
D183641 Werstein Sep 1958
D230563 Stahel, II Mar 1974
Non-Patent Literature Citations (1)
Entry
Hong Kong Enterprise, 12/80, p. 348, Letter Openers.