Publicação do pedido de patente
#3.1
01/31/1989
RPI 954
Application data
Number
PI8803091Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
De Beers Industrial Diamond Division (Proprietary) Limited
ZA
Inventors
J. S. (pessoa física)
ZA
L. N. (pessoa física)
ZA
IPC Classification
Priority claims
ZA
87/4524 · 06/23/1987
ZA
87/7456 · 10/05/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/31/1989
RPI 954
#2.1
11/16/1988
RPI 943
#21.1
Patente extinta em 23/06/2003
09/02/2008
RPI 1965
#16.1
10/25/1994
RPI 1247
#13.1
08/02/1994
RPI 1235
#9.1
03/29/1994
RPI 1217
#4.1
04/23/1991
RPI 1064
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.