Pedido de patente depositado
#2.1
02/21/1989
RPI 957
Application data
Number
PI8900091Type
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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
S. K. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/21/1989
RPI 957
#21.1
Patente extinta em 10/01/2004
12/15/2009
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#16.1
03/26/1996
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11/07/1995
RPI 1301
#15.11
07/18/1995
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06/27/1995
RPI 1282
#6.1
10/25/1994
RPI 1247
#4.1
10/13/1992
RPI 1141
#3.1
08/14/1990
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