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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8106555

Type

Invention Patent

Filing

10/09/1981

Publication

06/29/1982

Progress at the INPI

  1. Filing10/09/81
  2. Publication06/29/82
  3. Examination07/05/83
  4. Allowance11/01/88
  5. Grant07/25/89
  6. Terminated03/19/96

The patent was granted on 07/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societe Nationale Elf Aquitaine (Production)

FR

See this company's full portfolio

Inventors

C. J. (pessoa física)

K. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

Republicação - classificação IPC

#15.11

03/01/1995

RPI 1265

Patent monitoring

Track this patent in real time.

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