USPatentGranted
S1

Air purifying unit and/or air humidifying unit

Granted 27 Mar 2001 · no office action yet

Current assignee: Plaston Ag Kunststoffwerk Hans Frei & Soyne · originally Plaston AG Kunststoffwerk

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Peter Wirz, Werner Zemp, Mart Hurlimann · Examiner: Lisa Lichtenstein · AU 2911 · TC 2900

Application
106393
filed 15 Jun 1999
Publication
Not published
not published
Patent· this page
US D439645
granted 27 Mar 2001

Life of the patent

2 dated events
⤢ drag to zoomJul 1999Oct 1999Jan 2000Apr 2000Jul 2000Oct 2000Jan 2001Apr 2001Prosecution
Prosecutionhover for detail · click to open

Description

1 parts
›FIG. 1 is a front, top, right side…

FIG. 1 is a front, top, right side perspective view of an air purifying and/or humidifying unit showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

3 codes
USPC · US Patent Classification
D23/356D23/364D23/328

Claim changes

Soon
Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

Pendency
1.8 y
651 days filing → grant
Office actions
0
on the grant's record
Examiner
Lisa Lichtenstein
art unit 2911 · TC 2900
Citations: 4 back · 0 forward

Chain of title

⤢ drag to zoom20002002200420062008201020122014201620182020Owner 1
Titlehover for detail · click to open

See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.

Log in to unlock

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Log in to unlock

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Log in to unlock

Citations

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