Coalescer filter element with screen
Granted 3 Apr 2001 · no office action yet
Assignee: Donaldson Company, Inc.
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Steven Scott Gieseke, Robert Allen Dushek · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900
Life of the patent
4 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
FIG. 1 is a perspective view of a coalescer filter element with screen embodying our new design;
FIG. 2 is a top plan view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 3 is a bottom plan view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 4 is a front elevational view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 5 is a rear elevational view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 6 is a left elevational view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 7 is right elevational view of the coalescer filter element with screen depicted in FIG. 1;
FIG. 8 is a perspective view of a second embodiment of a coalescer filter element with screen according to our new design, the structure shown in broken lines from no part of the design sought to be patented;
FIG. 9 is a top plan view of the coalescer filter element with screen depicted in FIG. 8;
FIG. 10 is a bottom plan view of the coalescer filter element with screen depicted in FIG. 8, the structure shown in broken lines forming no part of the design sought to be patented;
FIG. 11 is a front elevational view of the coalescer filter element with screen depicted in FIG. 8, the structure shown in broken lines forming no part of the design sought to be patented;
FIG. 12 is a rear elevational view of the coalescer filter element with screen depicted in FIG. 8, the structure shown in broken lines forming no part of the design sought to be patented;
FIG. 13 is a left elevational view of the coalescer filter element with screen depicted in FIG. 8, the structure shown in broken lines forming no part of the design sought to be patented; and,
FIG. 14 is a right elevational view of the coalescer filter element with screen depicted in FIG. 8, the structure shown in broken lines forming no part of the design sought to be patented.
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 unlockWorldwide family
2 members · 2 offices›IP5 & PCT — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| USthis patent | US-D439962-S | S1 | 3 Apr 2001 | 17 Mar 1999 | granted | Coalescer filter element with screen |
›Other offices — 1 members
| Office | Publication | Kind | Published | Filed | Status | Title |
|---|---|---|---|---|---|---|
| AU | AU-140705-S | S | 23 May 2000 | 3 Sep 1999 | published | Filter element |
Validity 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