Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
Application data
Number
PI8803804Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
C. W. (pessoa física)
US
Inventors
D. K. (pessoa física)
US
E. B. (pessoa física)
US
P. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/21/1989
RPI 957
#2.1
01/03/1989
RPI 950
#21.1
Patente extinta em 01/08/2003
09/02/2008
RPI 1965
#16.1
07/25/1995
RPI 1286
#13.1
05/02/1995
RPI 1274
#15.11
05/02/1995
RPI 1274
#9.1
12/20/1994
RPI 1255
#6.1
08/16/1994
RPI 1237
#4.1
05/21/1991
RPI 1068
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