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Sprinkler head
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Information
Patent Grant
D253364
References
Source
Patent Number
D253,364
Date Filed
Monday, August 21, 1978
48 years ago
Date Issued
Tuesday, November 6, 1979
47 years ago
Inventors
William J. McFadden
Original Assignees
SENNINGER IRRIGATION, INC.
Examiners
Largen; James R.
Agents
Hobby; William M.
US Classifications
D23 - Environmental heating and cooling
Field of Search
US
D23 6-12
D23 34-38
239 498
239 523
239 524
169 37-41
International Classifications
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for a sprinkler head, as shown.
US Referenced Citations (9)
Number
Name
Date
Kind
D210457
Measo
Mar 1968
696057
Lanstrum
Mar 1902
1288123
Mowry
Dec 1918
1674480
Nelson
Jun 1928
1727111
Moore
Sep 1929
2550456
De Flon
Apr 1951
2785013
Stearns
Mar 1957
3178119
Thorson
Apr 1965
3603512
Ham
Sep 1971