Cessão de direito de exploração
#22.1
12/10/1985
RPI 790
Application data
Number
PI8002833Type
Filing
Publication
The letters patent expired on 06/13/1995: 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: 12/10/1985. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
M. R. (pessoa física)
R. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
12/10/1985
RPI 790
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/15/1984
RPI 708
#4.1
11/08/1983
RPI 681
#3.1
12/29/1981
RPI 584
#21.1
06/13/1995
RPI 1280
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.