USPatentGranted
S

Trailer coupler yoke

Granted 28 Nov 1989 · no office action yet

Current assignee: HARRIS TRUST AND SAVINGS BANK · originally Atwood Industries, Inc.

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: James W. Chambers · Examiner: James M. Gandy · AU 291 · TC 2900

Application
Not granted yet
filed 4 Jun 1987
Publication
Not published
not published
Patent· this page
US D304818
granted 28 Nov 1989

Life of the patent

2 dated events
⤢ drag to zoomApr 1987Jul 1987Oct 1987Jan 1988Apr 1988Jul 1988Oct 1988Jan 1989Apr 1989Jul 1989Oct 1989Jan 1990Prosecution
Prosecutionhover for detail · click to open

Description

1 parts
›FIG. 1 is a top plan view of…

FIG. 1 is a top plan view of a trailer coupler yoke incorporating my new design;

FIG. 2 is a side elevational view thereof; the opposite side being a mirror image;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a perspective view thereof;

FIG. 6 is a fragmentary cross-section taken along the line 6--6 of FIG. 3.

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
D12/162

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
2.5 y
908 days filing → grant
Office actions
0
on the grant's record
Examiner
James M. Gandy
art unit 291 · TC 2900
Citations: 5 back · 0 forward

Chain of title

⤢ drag to zoom19881990199219941996199820002002200420062008Owner 1liens, releases & corrections
TitleLienhover 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