Dust cassette assembly
Granted 1 May 2001 · no office action yet
Current assignee: Mine Safety Appliances Company · originally MSA Safety Incorporated
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Richard J. Hartman · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900
Life of the patent
6 dated eventsDescription
1 parts›FIG. 1 is a perspective view of the…
FIG. 1 is a perspective view of the outlet side of the dust cassette assembly
FIG. 2 is a side elevational view of the dust cassette assembly. The opposite side elevational view is a mirror image thereof
FIG. 3 is a front elevational view of the dust cassette assembly. The rear elevational view is a mirror image thereof
FIG. 4 is a top plan view of the outlet side of the dust cassette assembly; and,
FIG. 5 is a bottom plan view of the inlet side of the dust cassette assembly.
The mesh pattern shown in FIGS. 1 and 4 is understood to represent screening and extends uniformly throughout the areas represented.
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
Chain of title
See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.
Log in to unlockTerm & 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