Sprinkler head
Latest Senju Sprinkler Co., Ltd. Patents:
FIG. 1 is a bottom perspective bottom view showing the sprinkler head of the present invention, the broken line showing of the upper threaded portions are not part of the claimed design;
FIG. 2 is a top, right side perspective upper view of the sprinkler head configuration of the present invention. The broken line showing of the upper threaded portions are not part of the claimed design;
FIG. 3 is a front left side elevational view of the the sprinkler head configuration of the present invention. The broken line showing of the upper threaded portions are not part of the claimed design;
FIG. 4 is a top plan view of the sprinkler head of the present invention showing the broken line showing of the upper threaded portions which are not part of the claimed design; and,
FIG. 5 is a bottom plan view of the sprinkler head of the present invention. The broken line showing of the upper threaded portion is not part of the claimed design.
D134562 | December 1942 | Murphy |
2563300 | August 1951 | Aker |
2964248 | December 1960 | O'brien et al. |
3596835 | August 1971 | Smith et al. |
4491182 | January 1, 1985 | Pieczykolan |
4568022 | February 4, 1986 | Scrivnor |
4618001 | October 21, 1986 | Hoening |
4618002 | October 21, 1986 | Mears |
4624414 | November 25, 1986 | Ferrazza |
4766961 | August 30, 1988 | Macie |
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4830117 | May 16, 1989 | Capasso |
4928773 | May 29, 1990 | White |
4938292 | July 3, 1990 | Johnson |
- Grinnel Catalog, 1988 illustrating Model F905, F995, F996 sprinkler heads. Advertisement, Fire Protection Contractor, Feb. 1991, p. 43. Trademark Registration 1,787,890.
Type: Grant
Filed: Jan 29, 1997
Date of Patent: Oct 13, 1998
Assignee: Senju Sprinkler Co., Ltd. (Tokyo)
Inventor: Fumie Kumagai (Iwate)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Hoffmann & Baron, LLP
Application Number: 0/66,173
International Classification: 2301;