Elevated floor plate

- Farley, Inc.
Description

FIG. I is a top perspective view of an elevated floor plate showing our new design;

FIG. II is an enlarged bottom plan view thereof;

FIG. III is a sectional view taken along line III--III of FIG. II;

FIG. IV is a top plan view of a modified form of the elevated floor plate shown in FIG. I;

FIG. V is a bottom plan view thereof; and,

FIG. VI is sectional view thereof taken along line VI--VI of FIG. IV.

Referenced Cited
U.S. Patent Documents
D27673 September 1897 Greger
D193210 July 1962 Hallock
D238065 December 1975 Harvey
D270292 August 23, 1983 Johnson
2615526 October 1952 Lane
3279134 October 1966 Donovan
3295272 January 1967 Kanno
3318057 May 1967 Norsworthy
3407558 October 1968 Resch
3616154 October 1971 Dow et al.
3678558 July 1972 Fredericks
3696578 October 1972 Swensen et al.
3774358 November 1973 Hale
4035536 July 12, 1977 Morrison
4067156 January 10, 1978 Downing
4397902 August 9, 1983 Resch
4411121 October 25, 1983 Blacklin et al.
4596095 June 24, 1986 Chalfant
Other references
  • "Mathematical Models", by H. Martyn Cundy et al (1957), pp. 54-59. "Space Grid Structures", by John Borrego (1968), pp. 38, 42-43, 131-136, 156-157, 160-163, 194-197.
Patent History
Patent number: D306350
Type: Grant
Filed: Mar 23, 1987
Date of Patent: Feb 27, 1990
Assignee: Farley, Inc. (Chicago, IL)
Inventors: Carl S. Hardwicke (Grosse Pointe, MI), Howard R. Leffel, Jr. (Maumee, OH), George S. Spatoulas (Sylvania, OH)
Primary Examiner: A. Hugo Word
Attorney: Hugh Adam Kirk
Application Number: 7/29,476