22.2
04/25/1989
RPI 966
Progress at the INPI
- Filing01/17/75
- Publication
- Examination
- Allowance
- Grant
- Expired07/27/93
The letters patent expired on 07/27/1993: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
FARRAND IND INC
Inventors
F. R. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
07/27/1993
RPI 1182
Related
From the same holder
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.