Stool-shaped container, which can hold silt sock, sorbent material disc, locking and sealing frame

Description

FIG. 1 is a top, perspective view of a stool-shaped container which can hold silt sock, sorbent material disc, locking, and sealing frame, showing our new design;

FIG. 2 is a side view thereof of a greatly reduced scale, the remaining sides appearing essentially the same;

FIG. 3 is a bottom view thereof on a reduced scale;

FIG. 4 is a bottom, perspective view thereof on a reduced scale; and,

FIG. 5 is a top view thereof on a reduced scale with the top grate removed for clarity of illustration.

The broke-line showing of environmental structure in FIGS. 1, 2, 3, and 5 is for illustrative purpose only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D246109 October 18, 1977 Rosaen
1425197 August 1922 Hamlin
2783856 March 1957 Frause
Other references
  • Imbibitive Technologies Corp., "Gravity Flow Drain," 1995. Imbibitive Technologies Corp., "Imbiber Disk Housing," 1995. Imbibitive Technologies Corp., "Imbiber Disk," 1995. Imbibitive Technologies America, "Imtech U.K. Ltd. installs 1st ever (Class II) Imtech Containment Unit (I.C.U.) London Electricity /National Grid Substation, Hackney (London, U.K.) Sep. 25, 1996," reference itself published ca. Dec. 1996.
Patent History
Patent number: D400974
Type: Grant
Filed: Sep 23, 1997
Date of Patent: Nov 10, 1998
Assignee: Imbibitive Technologies Corp. (Wilmington, DE)
Inventors: Richard H. Hall (Midland, MI), Nicolo Flor (Oakville), Andrew J. Stephenson (Midland, MI)
Primary Examiner: Lisa Lichtenstein
Attorney: Christopher John Rudy
Application Number: 0/76,773
Classifications
Current U.S. Class: Filter (D23/365); Air Treatment (D23/355)
International Classification: 2304;