Underwater drainage device with dual collection chambers

- Deknatel, Inc.
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Description

FIG. 1 is a front elevational view of an underwater drainage device showing the new design;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a rear elevational view of the underwater drainage device shown in FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1;

FIG. 5 is an end elevational view of the right hand end of the device shown in FIG. 1;

FIG. 6 is a left end elevational view of the device shown in FIG. 1; and

FIG. 7 is a top perspective view of the underwater drainage device shown in FIG. 1.

Referenced Cited
U.S. Patent Documents
D222312 October 1971 Kurtz et al.
3363626 January 1968 Bidwell et al.
3363627 January 1968 Bidwell et al.
3853128 December 1974 Kurtz et al.
3861390 January 1975 Schachet
Other references
  • Pleur-evac, A-4000 Brochure, .COPYRGT. 1969, Krale Underwater-Seal Drainage Device.
Patent History
Patent number: D245372
Type: Grant
Filed: Apr 7, 1976
Date of Patent: Aug 9, 1977
Assignee: Deknatel, Inc.
Inventors: Leonard D. Kurtz (Woodmere, NY), Robert E. Bidwell (Melville, NY)
Primary Examiner: Bernard Ansher
Attorney: Roberts B. Larson
Application Number: 5/674,748
Classifications
Current U.S. Class: D24/59
International Classification: D2402;