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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8204958

Type

Invention Patent

Filing

08/24/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/24/82
  2. Publication08/02/83
  3. Examination10/08/85
  4. Allowance08/11/87
  5. Grant02/23/88
  6. Terminated07/18/95

The patent was granted on 02/23/1988 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prad Research And Development N.V.

NL

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Inventors

P. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

295.365 · 08/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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