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App. No. 15/923,596 · Confirmation No. 5577

SYSTEM AND METHOD TO DETERMINE THE PRESENCE STATUS OF A REGISTERED USER ON A NETWORK

Applicant: Unify GmbH & Co. KG
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2019-10-17 1449 List of References cited by applicant and considered by examiner 4 View
2019-10-17 BIB Bibliographic Data Sheet 1 View
2019-09-12 WFEE Fee Worksheet (SB06) 1 View
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2019-08-05 1449 List of References cited by applicant and considered by examiner 6 View
2019-08-05 SRNT Examiner's search strategy and results 2 View
2019-08-05 BIB Bibliographic Data Sheet 1 View
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2018-03-16 WFEE Fee Worksheet (SB06) 2 View
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Quick Facts
App. No.
15/923,596
Filed
2018-03-16
Granted
2020-02-18
Pub. No.
US20180213047A1
Examiner
CHOU, ALAN S
Art Unit
2451
PTA
0 days