USPatentGranted
S

Educational aide for teaching physical properties of light

Granted 21 Dec 1976 · no office action yet

Current assignee: Xerox Corporation · originally Xerox

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Inventors: Michael J. Kane · Examiner: Melvin B. Feifer · AU 292 · TC 2900

Application
544738
filed 28 Jan 1975
Publication
Not published
not published
Patent· this page
US D242793
granted 21 Dec 1976

Life of the patent

3 dated events
⤢ drag to zoom1976197819801982198419861988199019921994ProsecutionTerm & fees
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Description

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

FIG. 1 is a perspective view of the educational aide for teaching physical properties of light showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a side plan view thereof;

FIG. 5 is a rear plan view thereof; and

FIG. 6 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

1 codes
USPC · US Patent Classification
D19/62

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Pendency
1.9 y
693 days filing → grant
Office actions
0
on the grant's record
Examiner
Melvin B. Feifer
art unit 292 · TC 2900
Citations: 1 back · 0 forward

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