Solicitação de exame técnico
#4.1
07/14/1987
RPI 873
Application data
Number
PI8504668Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 07/14/1987. We update with every new RPI gazette, published weekly.
Applicants
Miner Enterprises, Inc.
US
Inventors
D. A. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/14/1987
RPI 873
#3.1
04/28/1987
RPI 862
#2.1
12/03/1985
RPI 789
#21.1
Patente extinta em 24/09/2000
07/15/2008
RPI 1958
#16.1
08/30/1994
RPI 1239
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
#6.1
05/04/1993
RPI 1170
#6.1
09/17/1991
RPI 1085
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.