Pedido de patente depositado
#2.1
05/09/1989
RPI 968
Application data
Number
PI8901338Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
R. C. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/09/1989
RPI 968
#21.1
Patente extinta em 21/03/2004
12/15/2009
RPI 2032
#16.1
06/28/1994
RPI 1230
#13.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
#4.1
04/06/1993
RPI 1166
#3.1
10/23/1990
RPI 1038
Same category
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