Portable air charge-discharge machine
Latest Bulton Enterprises Co., Ltd. Patents:
Description
FIG. 1 is a perspective view of portable air charge-discharge machine showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view thereof when in use; and,
FIG. 9 is an exploded perspective view thereof when in use.
The broken-line showing of environmental structure in FIGS. 8 and 9 is for illustrative pursposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
2986765 | June 1961 | Wolf et al. |
3816983 | June 1974 | Sawada et al. |
4636230 | January 13, 1987 | Fan |
Patent History
Patent number: D414254
Type: Grant
Filed: May 22, 1998
Date of Patent: Sep 21, 1999
Assignee: Bulton Enterprises Co., Ltd.
Inventor: Hsin-Tsai Wu (Taipei)
Primary Examiner: Lisa Lichtenstein
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/88,463
Type: Grant
Filed: May 22, 1998
Date of Patent: Sep 21, 1999
Assignee: Bulton Enterprises Co., Ltd.
Inventor: Hsin-Tsai Wu (Taipei)
Primary Examiner: Lisa Lichtenstein
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/88,463
Classifications