Carta-patente expirada
#21.1
PATENTE EXTINTA EM 09.03.2021
03/23/2021
RPI 2620
Application data
Number
PI9715342Type
Filing
Publication
PCT
US1997022834 The letters patent expired on 03/23/2021: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 03/23/2021. We update with every new RPI gazette, published weekly.
Applicants
INTERDIGITAL MADISON PATENT HOLDINGS
FR
TECHNICOLOR USA, INC
US
THOMSON CONSUMER ELECTRONICS, INC.
US
THOMSON INC
US
T. L. (pessoa física)
FR
T. D. (pessoa física)
FR
THOMSON MULTIMEDIA INC
US
Inventors
H. B. (pessoa física)
US
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