Pedido de certificado de adição de invenção
#5.1
09/01/1987
RPI 880
Application data
Number
PI8600198Type
Filing
Publication
The patent was granted on 11/30/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
NGK Insulators, Ltd.
JP
Inventors
I. O. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
09/01/1987
RPI 880
#4.1
06/02/1987
RPI 867
#3.1
09/30/1986
RPI 832
#2.1
04/15/1986
RPI 808
#18.2
10/03/1995
RPI 1296
#16.1
11/30/1993
RPI 1200
10/05/1993
RPI 1192
#12.1
05/25/1993
RPI 1173
#9.1
01/26/1993
RPI 1156
#6.1
01/07/1992
RPI 1101
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.