Pressure vessel locking ring
Latest Progressive Composite Technologies, Inc. Patents:
Description
FIG. 1 is a front view of a pressure vessel locking ring showing the new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevational view thereof with the dotted line indicating that the end of the ring forms no part of the design; and,
FIG. 7 is a perspective view of the locking ring of FIG. 1 shown in expanded condition to emphasize its helical shape.
Claims
We claim the ornamental design for a pressure vessel locking ring, as shown and described.
Referenced Cited
Patent History
Patent number: D468392
Type: Grant
Filed: Nov 22, 2000
Date of Patent: Jan 7, 2003
Assignee: Progressive Composite Technologies, Inc. (Vista, CA)
Inventors: Douglas W. Eisberg (Escondido, CA), Andrew Panlasigui (San Diego, CA)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Fitch, Even, Tabin, & Flannery
Application Number: 29/133,122
Type: Grant
Filed: Nov 22, 2000
Date of Patent: Jan 7, 2003
Assignee: Progressive Composite Technologies, Inc. (Vista, CA)
Inventors: Douglas W. Eisberg (Escondido, CA), Andrew Panlasigui (San Diego, CA)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Fitch, Even, Tabin, & Flannery
Application Number: 29/133,122
Classifications
Current U.S. Class:
Element Or Attachment (1) (D23/206);
Filter Or Strainer (2) (D23/209)
International Classification: 2301;
International Classification: 2301;