USPatentGranted
S

Air handling unit

Granted 18 Sep 1984 · no office action yet

Assignee: Air Masters Corporation

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Stephen L. Brown · Examiner: Wallace R. Burke · AU 291 · TC 2900

Application
316731
filed 30 Oct 1981
Publication
Not published
not published
Patent· this page
US D275603
granted 18 Sep 1984

Life of the patent

4 dated events
⤢ drag to zoom19821984198619881990199219941996199820002002ProsecutionOwnershipTerm & fees
ProsecutionOwnershipTerm & feeshover for detail · click to open

Description

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

FIG. 1 is a top plan view of an air handling unit, showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is an end elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is an elevational view of the end opposite that shown in FIG. 3.

FIG. 6 is a bottom plan thereof.

The dotted lines in FIGS. 2, 3, 4 and 5 represent a mounting curb for a flat roof top and are shown for environmental purposes only and form no part of the claimed design.

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
D23/139

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
2.9 y
1,054 days filing → grant
Office actions
0
on the grant's record
Examiner
Wallace R. Burke
art unit 291 · TC 2900
Citations: 3 back · 0 forward

Chain of title

⤢ drag to zoom19821984198619881990199219941996199820002002Owner 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

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