20.7
09/04/1984
RPI 724
Progress at the INPI
- Filing04/11/78
- Publication
- Examination
- Allowance11/17/81
- Grant08/31/82
- Expired07/06/93
The letters patent expired on 07/06/1993: 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: 09/04/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
HELLERMANN BRASIL IND COM LTD
Inventors
R. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
08/31/1982
RPI 619
Notificação para pagamento de retribuição
#13.1
03/23/1982
RPI 596
Deferimento
#9.1
11/17/1981
RPI 578
Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: H01B 17/58; H01R 9/02.
03/27/2018
RPI 2464
Carta-patente expirada
#21.1
07/06/1993
RPI 1179
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.