Pedido de patente depositado
#2.1
10/17/1989
RPI 991
Application data
Number
PI8903199Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
R. T. (pessoa física)
US
S. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/17/1989
RPI 991
#21.1
Patente extinta em 29/06/2009
12/26/2012
RPI 2190
#16.1
05/26/1998
RPI 1431
#13.1
05/13/1997
RPI 1380
#9.1
12/03/1996
RPI 1357
03/19/1996
RPI 1320
#4.1
03/24/1992
RPI 1112
#3.1
02/13/1990
RPI 1006
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