Liquid flow bubble release device

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Description

FIG. 1 is a perspective view of a liquid flow bubble release device embodying our design;

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

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is another embodiment of a liquid flow bubble release device of our design as seen in a perspective view;

FIG. 7 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 8 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

Claims

The ornamental design for a liquid flow bubble release device, as shown and described.

Referenced Cited
U.S. Patent Documents
D311061 October 2, 1990 Vrana et al.
5049492 September 17, 1991 Sauer et al.
5246560 September 21, 1993 Nekoksa et al.
5520640 May 28, 1996 Utterberg
5763266 June 9, 1998 Palsson et al.
5928889 July 27, 1999 Bakich et al.
6046806 April 4, 2000 Thompson
6171484 January 9, 2001 Schnell et al.
6391541 May 21, 2002 Petersen et al.
6391638 May 21, 2002 Shaaltiel
Other references
  • Methods in Enzymology, vol. 310, Biofilms, Copyright 1999, pp. 22-25.
  • Gallik drawings of bubbletrap (4 pages).
  • Provisional draft patent application of Robert Gallik and Kalaimathee Narasimhan, was known by applicants before conecption of the present inveniton.
Patent History
Patent number: D475795
Type: Grant
Filed: Apr 15, 2002
Date of Patent: Jun 10, 2003
Inventors: Michael K. Johnson (Pleasant Garden, NC), Cedric S. Reynolds (Greensboro, NC)
Primary Examiner: Ian Simmons
Application Number: 29/159,056
Classifications