Concessão da patente
#16.1
10/20/1981
RPI 574
Progress at the INPI
- Filing09/30/74
- Publication
- Examination
- Allowance
- Grant10/20/81
- In force09/30/94
The patent was granted on 10/20/1981 and is in force until 09/30/1994. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:09/30/1994
Latest action published by the INPI: 10/20/1981. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.