Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8303006Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
American Flange & Manufacturing Co. Inc.
US
Inventors
D. B. (pessoa física)
L. J. (pessoa física)
M. H. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
10/20/1987
RPI 887
#9.1
06/23/1987
RPI 870
#6.1
06/24/1986
RPI 818
04/09/1985
RPI 755
#4.1
04/03/1984
RPI 702
#3.1
01/31/1984
RPI 693
#2.1
07/19/1983
RPI 665
#21.1
Patente extinta em 01/06/98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.