USPatentGranted
S1

Sharpener

Granted 21 Jul 2020 · no office action yet

Assignee: SHANGHAI LEES MANUFACTURING CO., LTD.

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Lei Xin Li · Examiner: Elizabeth A. Albert · AU 2913 · TC 2900

Application
29/670,791
filed 20 Nov 2018
Publication
Not published
not published
Patent· this page
US D890841
granted 21 Jul 2020

Life of the patent

5 dated events
⤢ drag to zoom20182020202220242026202820302032203420362038ProsecutionOwnershipTerm & fees
ProsecutionOwnershipTerm & feeshover for detail · click to open

Description

1 parts
›FIG. 1 is a perspective view of the…

FIG. 1 is a perspective view of the sharpener;

FIG. 2 is a front elevational view of the sharpener;

FIG. 3 is a rear elevational view of the sharpener;

FIG. 4 is a left side elevational view of the sharpener;

FIG. 5 is a right side elevational view of the sharpener;

FIG. 6 is a top plan view of the sharpener;

FIG. 7 is a bottom plan view of the sharpener;

FIG. 8 is a perspective view of the opened sharpener; and,

FIG. 9 is an exploded perspective view of the opened sharpener.

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

1 codes
USPC · US Patent Classification
D19/73

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

⤢ drag to zoomOct 2018Jan 2019Apr 2019Jul 2019Oct 2019Jan 2020Apr 2020Jul 2020USPTOApplicantNotice of allowance
USPTOApplicanthover for detail · click to open
Pendency
1.7 y
609 days filing → grant
Office actions
0
none on record
Examiner
Elizabeth A. Albert
art unit 2913 · TC 2900
Citations: 24 back · 0 forward

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

Log in to unlock

Chain of title

⤢ drag to zoom20182020202220242026202820302032203420362038Owner 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