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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300052

Type

Invention Patent

Filing

01/07/1983

Publication

09/20/1983

Progress at the INPI

  1. Filing01/07/83
  2. Publication09/20/83
  3. Examination10/08/85
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Terminated04/02/96

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prad Research And Development Corporation N.V.

NL

Inventors

B. D. (pessoa física)

D. J. (pessoa física)

S. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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