Form Pto/sb/66 - Petition To Accept Unintentionally Delayed Payment Of Maintenance Fee In An Expired Patent (37 Cfr 1.378(B))

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PTO/SB/66 (01-18)

Approved for use through 07/31/2018. OMB 0651-0016

U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE

Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it displays a valid OMB control number.

PETITION TO ACCEPT UNINTENTIONALLY DELAYED PAYMENT OF

Docket Number (Optional)

MAINTENANCE FEE IN AN EXPIRED PATENT (37 CFR 1.378(b))

Page 1 of 3

Mail to: Mail Stop Petition

Commissioner for Patents

P.O. Box 1450

Alexandria, VA 22313-1450

Fax: (571) 273-8300

NOTE: If information or assistance is needed in completing this form, please contact the Office of Petitions at (571) 272-3282.

Patent No. _________________________________________

Application Number ______________________________________

Issue Date _________________________________________

Filing Date ______________________________________________

CAUTION: Maintenance fee payment must correctly identify: (1) the patent number (or reissue patent number, if a reissue) and (2) the

application number of the actual U.S. application (or reissue application) leading to issuance of that patent to ensure the fee(s)

is/are associated with the correct patent. 37 CFR 1.366(c) and (d).

Also complete the following information, if applicable.

The above-identified patent

is a reissue of original Patent No. ___________________________________ original issue date _______________________________

original application number ___________________________________

original filing date ___________________________________.

resulted from the entry into the U.S. under 35 U.S.C. 371 of international application ___________________________________

filed on ___________________________________.

CERTIFICATE OF MAILING (37 CFR 1.8(a))

I hereby certify that this paper (* along with any paper referred to as being attached or enclosed) is being deposited with the United States

Postal Service on the date shown below with sufficient postage as first class mail in an envelope addressed to Mail Stop Petition,

Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450, or facsimile transmitted to the U.S. Patent and Trademark Office on

the date shown below.

___________________________________

_______________________________________________________

Date

Signature

_______________________________________________________

Typed or Printed Name of Person Signing Certificate

[page 1 of 3]

This collection of information is required by 37 CFR 1.378(b). The information is required to obtain or retain a benefit by the public which is to file (and by the

USPTO to process) an application. Confidentiality is governed by 35 U.S.C. 122 and 37 CFR 1.11, 1.14 and 41.6. This collection is estimated to take 1 hour to

complete, including gathering, preparing, and submitting the completed application form to the USPTO. Time will vary depending upon the individual case. Any

comments on the amount of time you require to complete this form and/or suggestions for reducing this burden, should be sent to the Chief Information Officer,

U.S. Patent and Trademark Office, U.S. Department of Commerce, P.O. Box 1450, Alexandria, VA 22313-1450. DO NOT SEND FEES OR COMPLETED FORMS TO THIS

ADDRESS. SEND TO: Mail Stop Petition, Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450.

If you need assistance in completing the form, call 1-800-PTO-9199 and select option 2.