USPatentGranted

Heat exchanger for fuel fired furnaces

Granted 11 Jul 1995 · no office action yet

Assignee: Rheem Manufacturing Company

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Inventors: Timothy J. Shellenberger · Examiner: Lisa P. Lichtenstein · AU 291 · TC 2900

Application

Not granted yet

filed 10 Dec 1993

Publication

Not published

not published

Patent· this page

US D360258

granted 11 Jul 1995

term adjustment not held

none

Litigation

checked

1 recorded conveyances

Life of the patent

2 dated events

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Description

1 parts

›FIG. 1 is a front perspective view of…

FIG. 1 is a front perspective view of the heat exchanger;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a top 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

›1.independentThe ornamental design for a heat exchanger for fuel fired furnaces, as shown and described.

Classifications

2 codes

USPC · US Patent Classification

D23/386D23/329

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File wrapper

Pendency

1.6 y

578 days filing → grant

Office actions

on the grant's record

Examiner

Lisa P. Lichtenstein

art unit 291 · TC 2900

Law firm

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Citations: 3 back · 0 forward

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Worldwide family

2 members · 2 offices

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Members

DOCDB simple family 65241015

Offices

Granted

1 of 2

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›IP5 & PCT — 1 members

Office	Publication	Kind	Published	Filed	Status	Title
USthis patent	US-D360258-S	S	11 Jul 1995	10 Dec 1993	granted	Heat exchanger for fuel fired furnaces

›Other offices — 1 members

Office	Publication	Kind	Published	Filed	Status	Title
AU	AU-122089-S	S	5 Dec 1994	23 May 1994	published	Heat exchanger for fuel fired furnaces

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