Ceiling cover for pendent style sprinklers

Description

FIG. 1 is an isometric view of a ceiling cover for pendent style sprinklers showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a side elevational view thereof, all sides being identical.

The broken line drawing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
494604 April 1893 Slocum
669421 March 1901 Luce
2023848 December 1935 Loewenstein
2213527 September 1940 Lowe
2327528 August 1943 Kendall et al.
3107732 October 1963 Bakos
3216506 November 1965 Bakos
3389884 June 1968 Ault
3459266 August 1969 Ault
3525402 August 1970 Hattori
3633676 January 1972 Gloeckler
3714989 February 1973 Gloeckler
3756321 September 1973 Gloeckler
3826313 July 1974 Yao
3998273 December 21, 1976 Juliano
4014388 March 29, 1977 Anderson
4015665 April 5, 1977 Simons et al.
4066129 January 3, 1978 Anderson
4105076 August 8, 1978 Simons et al.
4139062 February 13, 1979 Rago
4194569 March 25, 1980 Heath
4214631 July 29, 1980 Hattori
4217960 August 19, 1980 Miyazaki
4228859 October 21, 1980 Hattori
4491182 January 1, 1985 Pieczykolan
4508175 April 2, 1985 Pieczykolan
4580729 April 8, 1986 Ponnder
4590999 May 27, 1986 Snaper
4596289 June 24, 1986 Johnson
4618001 October 21, 1986 Hoening
4660648 April 28, 1987 Zen
4664198 May 12, 1987 Johnson
4872512 October 10, 1989 Multer
Other references
  • Central Sprinkler Corporation Bulletin A-RF Rev., No. 5, "Royal Flush".TM., Concealed Automatic Sprinkler Model A. Central Sprinkler Corporation Bulletin ADP-A-1 Extended, Adjustable dry Pendent Automatic Sprinkler Model "A-1" Extended. Central Sprinkler Corporation Bulletin ADP-A-1 Recessed, Adjustable Dry Pendent Automatic Sprinkler Model "A-1" Recessed. Central Sprinkler Corporation Bulletin DP-A-1 Rev., No. 1, Dry Pendent Sprinklers Recessed, Flush and Extended Types Model "A-1". Central Sprinkler Corporation Bulletin DP-K Royal Flush Rev., No. 5, "Royal Flush.TM." Concealed Field Adjustable Dry Pendent Automatic Sprinkler Model A-1. Central Sprinkler Corporation Bulletin HORS-H-1 Rev., No. 4, Model "H-1" Dry Horizontal Sidewall Sprinkler. Central Sprinkler Corporation Bulletin HORS-H-1 ADJ Rev., No. 4, Model "H-1 Adjustable" Dry Horizontal Sidewall Sprinkler. Central Sprinkler Corporation Bulletin RFS-76A Rev., No. 7, Adjustable Royal Flush Concealed Sprinkler Model "76A". Central Sprinkler Corporation catalog sheet A 5-87, Recessed Sprinkler-A, Model A Recessed Pendent Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet C-1A, 4-87, Omega C-1A Residential Quick Response Commercial Standard Commercial Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet C-1A, 8-87, Omega C-1A 3/8 Quick Response Standard Commercial Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet EC-20A, 4-87, Omega EC-20A Residential Extended Coverage Commercial Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet FC, 5-87, Flow Control-FC On-Off Automatic Sprinkler. Central Sprinkler Corporation catalog Sheet H 5-87, Recessed Sprinkler-H, Model H Recessed Pendent Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet HEC-20, 5-87, Omega HEC-20 Extended Coverage Horizontal Sidewall Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet PRO, 7-87, Omega Prohibitor.TM. Institutional Automatic Sprinkler. Central Sprinkler Corporation Catalog Sheet R-1, 4-87, Omega R-1 Residential Pendent Automatic Sprinkler. Central Sprinkler Corporation catalog Sheet 65, 10-87, Sprinler Escutcheon 65.
Patent History
Patent number: D318096
Type: Grant
Filed: Sep 27, 1988
Date of Patent: Jul 9, 1991
Assignee: Central Sprinkler Corporation (Lansdale, PA)
Inventor: George S. Polan (Harleysville, PA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Panitch Schwarze Jacobs & Nadel
Application Number: 7/250,032