IP Library › Patent Application 62840619
Patent Application Provisional
App. No. 62/840,619 · Confirmation No. 5841

METHODS AND APPARATUS FOR OPTICAL COMMUNICATIONS VIA PULSE AMPLITUDE MODULATION (PAM) IN DENSE WAVELENGTH-DIVISION MULTIPLEXING (DWDM) SYSTEMS

Provisional Application Expired
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Code Description Pages PDF
2026-07-07 N572 Response - Re: Informal Power of Attorney (PTOL-308) 1 View
2026-04-02 PET.POA.WDRW Request for withdrawal as attorney or agent 5 View
2026-04-02 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-05-09 APP.FILE.REC Filing Receipt 3 View
2019-04-30 ADS Application Data Sheet 9 View
2019-04-30 DRW Drawings-only black and white line drawings 11 View
2019-04-30 WFEE Fee Worksheet (SB06) 2 View
2019-04-30 N417 Electronic Filing System Acknowledgment Receipt 3 View
2019-04-30 SPEC Specification 18 View
2019-04-30 CLM Claims 5 View
2019-04-30 ABST Abstract 1 View
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Quick Facts
App. No.
62/840,619
Filed
2019-04-30