Carta-patente expirada
#21.1
Patente extinta em 19/01/2004
12/29/2009
RPI 2034
Application data
Number
PI8907209Type
Filing
Publication
PCT
US1989000272 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
N. C. (pessoa física)
US
Inventors
A. D. (pessoa física)
US
E. S. (pessoa física)
US
R. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 19/01/2004
12/29/2009
RPI 2034
#16.1
08/30/1994
RPI 1239
#13.1
05/10/1994
RPI 1223
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01/18/1994
RPI 1207
#4.1
09/17/1991
RPI 1085
#1.3
03/05/1991
RPI 1057
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