TREA

Perpetual calendar

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Information

  • Patent Grant
  • D418539
  • Patent Number
    D418,539
  • Date Filed
    Tuesday, February 9, 1999
    25 years ago
  • Date Issued
    Tuesday, January 4, 2000
    24 years ago
  • US Classifications
    Field of Search
    • US
    • D19 20
    • D19 21
    • D19 24
    • D19 25
    • D10 3
    • D10 10
    • 040 107
    • 040 109
    • 040 12412
    • 040 118
    • 281 151
    • 283 2
    • 283 34
    • 283 59
  • International Classifications
    • 1903
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a perpetual calendar, as shown and described.
US Referenced Citations (9)
Number Name Date Kind
D203725 Genin Feb 1966
D258811 You Apr 1981
D274535 Hicks Jul 1984
D363227 Seehr Oct 1995
D367496 Little Feb 1996
373235 Isbell Nov 1887
2523206 Fluette Sep 1950
3565246 Anderson Feb 1971
4176478 Brewer Dec 1979