Vacuum flask
Granted 26 Apr 1988 · no office action yet
Assignee: Leung Philip L
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Philip L. Leung · Examiner: Bernard Ansher · AU 292 · TC 2900
Life of the patent
3 dated eventsDescription
1 parts›FIG. 1 is a front elevational view of…
FIG. 1 is a front elevational view of a vacuum flask showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top, left side perspective view thereof; and
FIG. 5 is a top plan view thereof.
Claims
1 · 1 independent · depth 1Classifications
1 codesClaim changes
SoonSee which claims were amended, added or cancelled during examination, with every added and removed word marked.
The published claims of this patent are not paired with the granted ones in what we hold.
File wrapper
Term & fees
See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.
Log in to unlockValidity challenges
See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.
Log in to unlockCitations
See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.
Log in to unlock