Fire detector

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Information

Patent Grant
D331547

References
Source

Patent Number
D331,547
Date Filed
Thursday, October 4, 1990
34 years ago
Date Issued
Tuesday, December 8, 1992
32 years ago

Inventors
- Akio Ogawa
- Kazuyuki Goto
Original Assignees
- Nittan Company, Limited
Examiners
- Burke; Wallace R.
- Jackson; Marcus
Agents
- Sughrue Mion Zinn Macpeak & Seas

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 106
- D10 121
- 340 693
- 340 628
- 340 629
- 340 630
- 340 631
- 340 593
- 340 540
- 250 574
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a fire detector, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
2-18538	Jun 1990	JPX

US Referenced Citations (6)

Number	Name	Date	Kind
D225379	Gallagher et al.	Dec 1972
D226037	Cannon et al.	Jan 1973
D235629	Steele	Jul 1975
D271671	Thornton, Jr.	Dec 1983
D276417	Fenne	Nov 1984
D319798	Hatano	Sep 1991

Foreign Referenced Citations (1)

Number	Date	Country
543410	May 1984	JPX