Concessão da patente
#16.1
07/28/1987
RPI 875
The letters patent expired on 12/26/1995: 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
Inventors
R. J. (pessoa física)
IPC Classification
Priority claims
US
17.402 · 03/05/1979
US
PCT/80/00184 · 02/22/1980
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/28/1987
RPI 875
#13.1
03/31/1987
RPI 858
#9.1
11/18/1986
RPI 839
#6.1
02/25/1986
RPI 801
#4.1
08/10/1982
RPI 616
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.