Tree grate

Latest McKinley Tree Grate Co., Inc. Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a tree grate showing my new design;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan of a second embodiment thereof;

FIG. 5 is a side elevational view thereof, the side opposite being a mirror image thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D33366 October 1900 Gender
D86776 April 1932 Klomparens
173446 February 1976 Cottman
D219609 December 1970 Orthman
D229080 November 1973 Mihm
D249481 September 19, 1978 Conforti et al.
D252008 June 5, 1979 Jeamsey
D264036 April 27, 1982 Pomroy et al.
D268084 March 1, 1983 Haggard
D269586 July 5, 1983 Allgeyer et al.
D270609 September 20, 1983 Haggard
D275187 August 21, 1984 Skarman
1733450 October 1929 Detwiler
2229518 January 1941 Parker
2341439 February 1944 Greenlaw
2381345 August 1945 Greenlaw
3453948 July 1969 Murphy
4308688 January 5, 1982 Revane
Foreign Patent Documents
26775 November 1923 FRX
112662 January 1918 GBX
Other references
  • Ornamental Ironwork; .COPYRGT.1978 Southworth; publisher Gadine; p. 166, Filigree Pattern; FIG. 169. Handbook of Designs & Devices, by C. P. Hornung, .COPYRGT.1932, 1946; Plate 154 The Solar Variant, Nos. 1380, 1381, 1382. Sweet's 1981 vol. 1: Catalog File, Products For Gen, Bldg. Section 2, 15 UR Sitework; Urban Acc. Prod. & Foundry; Grates p. 2; lefthand bottom p. 7. Sweet's 1981 Catalog File, vol. 1; Sitework Section; Neenah Grates, 230/NE; p. 298, Item R, 8616 90.degree. Round With Light Opening.
Patent History
Patent number: D283003
Type: Grant
Filed: Dec 29, 1983
Date of Patent: Mar 18, 1986
Assignee: McKinley Tree Grate Co., Inc. (Fort Worth, TX)
Inventor: DeWitt McKinley (Forth Worth, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Laubscher & Laubscher
Application Number: 6/566,894
Classifications
Current U.S. Class: D 8/1; D23/112; 47/25