Carta-patente expirada
#21.1
Patente extinta em 18/09/2010
05/28/2013
RPI 2212
Application data
Number
PI9007731Type
Filing
Publication
PCT
US1990005307 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
J. R. (pessoa física)
US
P. D. (pessoa física)
US
R. M. (pessoa física)
US
R. F. (pessoa física)
US
W. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/09/2010
05/28/2013
RPI 2212
#16.1
12/29/1998
RPI 1460
#9.1
07/14/1998
RPI 1438
#4.1
07/27/1993
RPI 1182
#1.3
07/07/1992
RPI 1127
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