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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8304426

Type

Invention Patent

Filing

08/17/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing08/17/83
  2. Publication05/22/84
  3. Examination07/22/86
  4. Allowance05/31/88
  5. Grant01/10/89
  6. Terminated02/18/92

The patent was granted on 01/10/1989 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: 01/10/1989. 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).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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