Carta-patente expirada
#21.1
Patente extinta em 31/01/2005
06/01/2010
RPI 2056
Application data
Number
PI9004927Type
Filing
Publication
PCT
US1990000538 The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.
Applicants
Atlantic Richfield Company
US
Inventors
L. S. (pessoa física)
US
M. C. (pessoa física)
US
R. I. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 31/01/2005
06/01/2010
RPI 2056
#16.1
09/26/1995
RPI 1295
#9.1
03/07/1995
RPI 1266
#6.1
10/25/1994
RPI 1247
07/05/1994
RPI 1231
#4.1
03/30/1993
RPI 1165
#1.3
08/06/1991
RPI 1079
From the same holder
Same category
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