Carta-patente expirada
#21.1
Patente extinta em 23/06/2004
12/29/2009
RPI 2034
Application data
Number
PI8907538Type
Filing
Publication
PCT
US1989002776 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
P. F. (pessoa física)
US
Inventors
A. C. (pessoa física)
US
G. L. (pessoa física)
US
L. G. (pessoa física)
US
S. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 23/06/2004
12/29/2009
RPI 2034
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04/30/1996
RPI 1326
#9.1
09/12/1995
RPI 1293
#4.1
12/24/1991
RPI 1099
#1.3
06/11/1991
RPI 1071
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