Pedido de patente depositado
#2.1
06/13/1989
RPI 973
Application data
Number
PI8902049Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
E. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/13/1989
RPI 973
#21.1
Patente extinta em 28/04/2004
12/22/2009
RPI 2033
#22.1
09/12/1995
RPI 1293
#16.1
04/25/1995
RPI 1273
#13.1
11/01/1994
RPI 1248
#9.1
06/28/1994
RPI 1230
#4.1
03/12/1991
RPI 1058
#3.1
11/06/1990
RPI 1040
Same category
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