The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view, showing the new design for an exhalation valve flap viewed from a first angle;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image of the right side;

FIG. 4 is a top edge view thereof; and,

FIG. 5 is a bottom edge 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 an exhalation valve flap, as shown and described.

Classifications

1 codes

USPC · US Patent Classification

D24/110.6

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

⤢ drag to zoom

USPTOApplicanthover for detail · click to open

Pendency

2.5 y

904 days filing → grant

Office actions

none on record

Responses

no RCE

Examiner

Deanna L Pratt

art unit —

Law firm

Law firm · Log in to unlock

Citations: 104 back · 0 forward

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

Chain of title

⤢ drag to zoom

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.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Worldwide family

3 members · 3 offices

this patentIP5 & PCTother officessolid = grantedhover for detail · click to open

Members

DOCDB simple family 53486517

Offices

US · JP

Granted

2 of 3

grant date present

›IP5 & PCT — 2 members

Office	Publication	Kind	Published	Filed	Status	Title
USthis patent	US-D746974-S	S1	5 Jan 2016	15 Jul 2013	granted	Exhalation valve flap
JP	JP-1517022-S	S	9 Feb 2015	15 Jan 2014	granted	no title held

›Other offices — 1 members

Office	Publication	Kind	Published	Filed	Status	Title
AU	AU-355574-S	S	16 May 2014	15 Jan 2014	published	Exhalation valve flap

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.