320
10/24/1989
RPI 992
Application data
Number
PI8009066Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
H. B. (pessoa física)
SP, BR
Inventors
B. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/24/1989
RPI 992
08/30/1988
RPI 932
07/14/1987
RPI 873
#17.1
02/24/1987
RPI 853
#16.1
12/31/1985
RPI 793
09/17/1985
RPI 778
11/13/1984
RPI 734
#12.1
05/22/1984
RPI 709
#9.1
01/31/1984
RPI 693
#6.1
08/09/1983
RPI 668
#5.1
01/18/1983
RPI 639
#4.1
07/27/1982
RPI 614
#3.2
04/13/1982
RPI 599
#2.1
03/09/1982
RPI 594
#21.1
03/19/1996
RPI 1320
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.