Publicação do pedido de patente
#3.1
03/07/1989
RPI 959
Application data
Number
PI8804091Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 03/07/1989. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
C. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/07/1989
RPI 959
#2.1
01/10/1989
RPI 951
#21.1
Patente extinta em 29/12/2008
12/11/2012
RPI 2188
#16.1
12/29/1998
RPI 1460
#15.11
ALTERADA DE B01J 37/02
12/08/1998
RPI 1457
#9.1
09/08/1998
RPI 1446
#6.1
04/14/1998
RPI 1425
#6.1
02/27/1996
RPI 1317
#6.1
05/23/1995
RPI 1277
#4.1
09/18/1990
RPI 1033
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