TREA

Smoke detector

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Information

  • Patent Grant
  • D248283
  • Patent Number
    D248,283
  • Date Filed
    Friday, August 27, 1976
    48 years ago
  • Date Issued
    Tuesday, June 27, 1978
    46 years ago
  • US Classifications
    Field of Search
    • US
    • D10 104
    • D10 106
    • D10 121
    • D13 32
    • D13 40
    • D13 41
    • 340 227 R
    • 340 2271
    • 340 228 R
    • 340 2281
    • 340 2282
    • 340 237 R
    • 340 237 S
    • 340 258 R
    • 340 276
    • 340 280
  • International Classifications
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a smoke detector, as shown and described.
US Referenced Citations (2)
Number Name Date Kind
D238345 Montalbano Jan 1976
3391402 Lucas et al. Jul 1968
Foreign Referenced Citations (1)
Number Date Country
1,138,517 Jan 1969 UK
Non-Patent Literature Citations (2)
Entry
Audiotex Security Products Bulletin, Rec'd 12-1974, Personal-Sentry Alarm.
Signal Science Alarm Bulletin, Rec'd 5-1973, Whistle Switch.