(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO DE FABRICAÇÃO DE UM ELETRODO PARA PROCESSOS ELETROQUÍMICOS

DeferidaInvention Patent

Application data

Number

PI8403008

Type

Invention Patent

Filing

06/19/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/19/84
  2. Publication05/28/85
  3. Examination07/28/87
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie.

BE

See this company's full portfolio

Inventors

E. N. (pessoa física)

IT

L. M. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

83.10285 · 06/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/28/1984

RPI 723

Carta-patente expirada

#21.1

Patente extinta em 19/06/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.