USPatent applicationPatented

Heat exchanger

Granted 12 Aug 2008 · no office action yet

Current assignee: GSG Holdings, Inc. · originally Hayward Industries, Inc.

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: David L. Schardt, Gang Li, David Martin · Examiner: Robert M. Spear · AU 2914 · TC 2900

Application· this page
29/286,192
filed 26 Apr 2007
Publication
Not published
not published
Patent
US D574938
granted 12 Aug 2008

Life of the application

13 dated events
⤢ drag to zoom20082010201220142016201820202022202420262028ProsecutionOwnershipTerm & fees
ProsecutionOwnershipTerm & feeshover for detail · click to open

Description

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

FIG. 1 is a perspective view of a heat exchanger showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 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 as granted

1 claim

Log in to read the claims of this application.

Log in to unlock

Classifications

1 codes
USPC · US Patent Classification
D23/323

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 application are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoomApr 2007Jul 2007Oct 2007Jan 2008Apr 2008Jul 2008Oct 2008USPTOApplicantNotice of allowanceNotice of allowance
USPTOApplicanthover for detail · click to open
Pendency
1.3 y
474 days filing → grant
Office actions
0
none on record
Examiner
Robert M. Spear
art unit 2914 · TC 2900
Citations: 41 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Log in to unlock

Documents

Log in to open the documents of this file: the application as filed, every office action and response, the notice of allowance.

Log in to unlock

Chain of title

⤢ drag to zoom20082010201220142016201820202022202420262028Owner 4liens, releases & corrections
TitleLienReleasehover 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