Solicitação de exame técnico
#4.1
12/23/1986
RPI 844
Application data
Number
PI8600641Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 12/23/1986. We update with every new RPI gazette, published weekly.
Applicants
TLV Co., Ltd.
JP
Inventors
K. F. (pessoa física)
JP
T. Y. (pessoa física)
JP
IPC Classification
Priority claims
JP
60-205630 · 09/17/1985
JP
60-21053 · 02/15/1985
JP
60-234337 · 10/18/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/23/1986
RPI 844
#3.1
10/29/1986
RPI 836
#2.1
08/05/1986
RPI 824
#21.1
Patente extinta em 14/02/2001
07/22/2008
RPI 1959
#16.1
08/30/1994
RPI 1239
#13.1
05/24/1994
RPI 1225
02/01/1994
RPI 1209
#9.1
09/08/1993
RPI 1188
#6.1
11/12/1991
RPI 1093
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.