Carta-patente expirada
#21.1
Patente extinta em 22/08/2010
01/08/2013
RPI 2192
Application data
Number
PI9007294Type
Filing
Publication
PCT
US1990001868 The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
US
Inventors
M. Q. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/08/2010
01/08/2013
RPI 2192
#16.1
08/22/2000
RPI 1546
#15.11
Alterada a Classificação para Int.Cl.6 C08J 7/04 e G02B 1/10.
04/25/2000
RPI 1529
#9.1
04/25/2000
RPI 1529
#4.1
06/29/1993
RPI 1178
#1.3
03/03/1992
RPI 1109
From the same holder
Same category
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