Carta-patente expirada
#21.1
Patente extinta em 18/10/2004
12/29/2009
RPI 2034
Application data
Number
PI8905307Type
Filing
Publication
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
D. B. (pessoa física)
US
N. D. (pessoa física)
US
W. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 18/10/2004
12/29/2009
RPI 2034
#16.1
04/30/1996
RPI 1326
10/10/1995
RPI 1297
#9.1
05/23/1995
RPI 1277
#6.1
12/06/1994
RPI 1253
#4.1
10/27/1992
RPI 1143
#3.1
05/22/1990
RPI 1019
#2.1
03/06/1990
RPI 1008
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