USPatent applicationPatented

Air purifier

Granted 31 Dec 2024 · 1 office action

Assignee: Lei Zhao

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Lei Zhao · Examiner: George J Ulsh · AU 2936 · TC 2900

Application· this page
29/871,032
filed 10 Feb 2023
Publication
Not published
not published
Patent
US D1056182
granted 31 Dec 2024

Life of the application

6 dated events
⤢ drag to zoom2024202620282030203220342036203820402042ProsecutionTerm & fees
ProsecutionTerm & feeshover for detail · click to open

Description

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

FIG. 1 is a front, right and top perspective view of an air purifier showing my new design.

FIG. 2 is a rear and bottom perspective view of an air purifier.

FIG. 3 is a front view of an air purifier.

FIG. 4 is a rear view of an air purifier.

FIG. 5 is a left side view of an air purifier.

FIG. 6 is a right side view of an air purifier.

FIG. 7 is a top view of an air purifier; and,

FIG. 8 is a bottom view of an air purifier.

The broken lines in the drawings depict portions of the air purifier that form no part of the claimed design.

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

Claims as granted

1 claim

Log in to read the claims of this application.

Log in to unlock

Classifications

1 codes
USPC · US Patent Classification
D23/364

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 application are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoomJan 2023Apr 2023Jul 2023Oct 2023Jan 2024Apr 2024Jul 2024Oct 2024Jan 2025USPTOApplicantNon-final rejectionNotice of allowance
USPTOApplicanthover for detail · click to open
Pendency
1.9 y
690 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
George J Ulsh
art unit 2936 · TC 2900
Citations: 16 back · 1 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Log in to unlock

Documents

Log in to open the documents of this file: the application as filed, every office action and response, the notice of allowance.

Log in to unlock

Chain of title

No assignments have been recorded for this application yet.