Pedido de patente depositado
#2.1
08/15/1989
RPI 982
Application data
Number
PI8903087Type
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
W. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/15/1989
RPI 982
#21.1
Patente extinta em 23/06/2004
12/22/2009
RPI 2033
#16.1
01/31/1995
RPI 1261
#13.1
11/22/1994
RPI 1251
#9.1
07/26/1994
RPI 1234
#4.1
04/14/1992
RPI 1115
#3.1
02/06/1990
RPI 1005
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