USPatentGranted
S

Key telephone set

Granted 5 Feb 1991 · no office action yet

Assignee: Nitsuko Corporation

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Yoshio Sasaki, Hiroshi Ishizuka, Tsuneji Kimeda, Iwamasa Nishikado · Examiner: Horace B. Fay, Jr. · AU 291 · TC 2900

Application
922104
filed 22 Oct 1986
Publication
Not published
not published
Patent· this page
US D314374
granted 5 Feb 1991

Life of the patent

2 dated events
⤢ drag to zoomJan 1987Jul 1987Jan 1988Jul 1988Jan 1989Jul 1989Jan 1990Jul 1990Jan 1991Prosecution
Prosecutionhover for detail · click to open

Description

1 parts
›FIGS. 1 and 2 are respectively top and…

FIGS. 1 and 2 are respectively top and bottom plan views of a key telephone set showing our new design;

FIGS. 3 and 4 are respectively front and rear elevational views thereof;

FIGS. 5 and 6 are respectively left and right side elevational views thereof; and

FIG. 7 is a front, bottom, and left side perspective view of the handset spaced apart from the stand, and a front, top and right side perspective view of the stand.

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
D14/151

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
4.3 y
1,567 days filing → grant
Office actions
0
on the grant's record
Examiner
Horace B. Fay, Jr.
art unit 291 · TC 2900
Citations: 10 back · 0 forward

Chain of title

⤢ drag to zoom19861988199019921994199619982000200220042006Owner 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 66387324
Offices
2
US
Granted
1 of 2
grant date present
›IP5 & PCT — 1 members
OfficePublicationKindPublishedFiledStatusTitle
USthis patentUS-D314374-SS5 Feb 199122 Oct 1986grantedKey telephone set
›Other offices — 1 members
OfficePublicationKindPublishedFiledStatusTitle
AUAU-97479-SS13 Aug 198715 Oct 1986publishedKey telephone set

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