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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8106174

Type

Invention Patent

Filing

09/25/1981

Publication

06/15/1982

Progress at the INPI

  1. Filing09/25/81
  2. Publication06/15/82
  3. Examination07/24/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Terminated09/13/94

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Interox Chemicals Limited, companhia britânica

GB

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Inventors

L. M. (pessoa física)

M. D. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Conhecimento de parecer técnico

#7.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

02/05/1985

RPI 746

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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