Carta-patente expirada
#21.1
Patente extinta em 05/10/2004
12/29/2009
RPI 2034
Application data
Number
PI8907691Type
Filing
Publication
PCT
US1989004494 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
D. A. (pessoa física)
NO
S. I. (pessoa física)
US
Inventors
B. B. (pessoa física)
NO
J. W. (pessoa física)
US
S. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/10/2004
12/29/2009
RPI 2034
#16.1
07/25/1995
RPI 1286
03/28/1995
RPI 1269
#9.1
01/10/1995
RPI 1258
#6.1
08/02/1994
RPI 1235
#4.1
09/22/1992
RPI 1138
#1.3
08/20/1991
RPI 1081
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