USPatentGranted
S

Calculator

Granted 4 Apr 2000 · no office action yet

Assignee: Chan Sik Leung

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Inventors: Chan Sik Leung · Examiner: Caron D. Veynar · AU 293 · TC 2900

Application
100204
filed 5 Feb 1999
Publication
Not published
not published
Patent· this page
US D422300
granted 4 Apr 2000

Life of the patent

3 dated events
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Description

1 parts
›FIG. 1 is a three dimensional perspective view…

FIG. 1 is a three dimensional perspective view depicting the front, top and left side portions of a "calculator" employing Applicant's new design.

FIG. 2 is a top elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design wherein there is depicted the top view of the "calculator".

FIG. 3 is a right side elevational view of the "calculator" employing Applicant's new design as depicted in FIG. 1, the left side elevational view being a mirror image of FIG. 3.

FIG. 4 is a front elevatinal view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 5 is a rear elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 6 is a bottom elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 7 is a bottom elevational view of an alternative embodiment of the "calculator" depicted in FIG. 1 employing Applicant's new design, wherein only one spring element is depicted as opposed to three spring elements as depicted in FIG. 6, all other views as depicted in FIGS. 1 through 5 as related to this alternative embodiment of applicant's new design as depicted in FIG. 7, being the same; and,

FIG. 8 is a bottom elevational view of another alternative embodiment of the "calculator" depicted in FIG. 1 employing Applicant's new design, wherein only two spring elements are depicted as opposed to three spring elements as depicted in FIG. 6, all other views as depicted in FIGS. 1 through 5 as related to this alternative embodiment of applicant's new design as depicted in FIG. 8, being the same.

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
D18/7

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Pendency
1.2 y
424 days filing → grant
Office actions
0
on the grant's record
Examiner
Caron D. Veynar
art unit 293 · TC 2900
Citations: 4 back · 0 forward

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Citations

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