USPatentGranted
S

Natural illumination device

Granted 9 Dec 1997 · no office action yet

Current assignee: Sanyo Electric Co., Ltd. · originally Panasonic

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Masashi Takazawa, Norioki Fujimoto, Kazuo Takahashi · Examiner: Doris Clark · AU 294 · TC 2900

Application
Not granted yet
filed 14 Mar 1995
Publication
Not published
not published
Patent· this page
US D387430
granted 9 Dec 1997

Life of the patent

4 dated events
⤢ drag to zoom19961998200020022004200620082010201220142016ProsecutionOwnershipTerm & 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 inventive natural illumination device;

FIG. 2 is a front elevational view of the natural illumination device, the rear, right side, and left side being identical thereto;

FIG. 3 is a top plan view of the natural illumination device;

FIG. 4 is a bottom view of the natural illumination device;

FIG. 5 is an enlarged view of an upper central area of the natural illumination device shown in FIG. 3;

FIG. 6 is a sectional view taken along line 6--6 in FIG. 3;

FIG. 7 is an enlarged partial sectional view taken along line 7--7 of FIG. 5; and,

FIG. 8 is an enlarged partial sectional view confined by lines 8--8 in FIG. 6.

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
D25/52

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
2.7 y
1,001 days filing → grant
Office actions
0
on the grant's record
Examiner
Doris Clark
art unit 294 · TC 2900
Citations: 3 back · 0 forward

Chain of title

⤢ drag to zoom19961998200020022004200620082010201220142016Owner 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

Worldwide family

2 members · 2 offices
US1AU1
this patentIP5 & PCTother officessolid = grantedhover for detail · click to open
Members
2
DOCDB simple family 66537926
Offices
2
US
Granted
1 of 2
grant date present
›IP5 & PCT — 1 members
OfficePublicationKindPublishedFiledStatusTitle
USthis patentUS-D387430-SS9 Dec 199714 Mar 1995grantedNatural illumination device
›Other offices — 1 members
OfficePublicationKindPublishedFiledStatusTitle
AUAU-125050-SS31 Oct 199520 Mar 1995publishedA natural illumination device

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