Exigência - art. 36 da LPI
#6.1
07/04/1989
RPI 976
Application data
Number
PI8503087Type
Filing
Publication
The patent was granted on 10/29/1991 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Mine Safety Appliances Company
US
Inventors
G. F. (pessoa física)
US
R. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
07/04/1989
RPI 976
#4.1
07/22/1986
RPI 822
#3.1
03/11/1986
RPI 803
#2.1
09/03/1985
RPI 776
#18.2
09/19/1995
RPI 1294
#16.1
10/29/1991
RPI 1091
#13.1
07/02/1991
RPI 1074
#9.1
03/19/1991
RPI 1059
#6.1
10/23/1990
RPI 1038
#6.1
01/16/1990
RPI 1002
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.