311
12/01/1987
RPI 893
The patent was granted on 07/26/1983 and is in force until 07/26/1999. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:07/26/1999
Latest action published by the INPI: 12/01/1987. We update with every new RPI gazette, published weekly.
Applicants
C. W. (pessoa física)
US
Inventors
O. R. (pessoa física)
S. A. (pessoa física)
IPC Classification
Priority claims
US
929.415 · 07/31/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
12/01/1987
RPI 893
06/23/1987
RPI 870
05/05/1987
RPI 863
03/17/1987
RPI 856
09/03/1985
RPI 776
02/12/1985
RPI 747
#17.1
08/21/1984
RPI 722
#16.1
07/26/1983
RPI 666
#13.1
05/24/1983
RPI 657
#9.1
01/11/1983
RPI 638
#6.1
06/29/1982
RPI 610
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era G02B 5/14.
03/27/2018
RPI 2464
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.