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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8301930

Type

Invention Patent

Filing

04/15/1983

Publication

12/20/1983

Progress at the INPI

  1. Filing04/15/83
  2. Publication12/20/83
  3. Examination01/07/86
  4. Allowance11/16/88
  5. Grant07/25/89
  6. Terminated12/17/96

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

PCUK - Produits Chimiques Ugine Kuhlmann

FR

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Inventors

C. P. (pessoa física)

L. H. (pessoa física)

M. J. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

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

03/07/1989

RPI 959

Deferimento

#9.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

01/07/1986

RPI 794

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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