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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8103666

Type

Invention Patent

Filing

06/08/1981

Publication

10/20/1981

Progress at the INPI

  1. Filing06/08/81
  2. Publication10/20/81
  3. Examination01/19/82
  4. Allowance12/14/82
  5. Grant03/08/83
  6. Expired10/08/96

The letters patent expired on 10/08/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nortox Agro Química S.A.

PR, BR

Inventors

C. F. (pessoa física)

I. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

07/19/1988

RPI 926

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Pedido de licença compulsória

#20.1

04/19/1983

RPI 652

Concessão da patente

#16.1

03/08/1983

RPI 646

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Deferimento

#9.1

12/14/1982

RPI 634

Exigência - art. 36 da LPI

#6.1

11/03/1982

RPI 628

Solicitação de exame técnico

#4.1

01/19/1982

RPI 587

Publicação antecipada

#3.2

10/20/1981

RPI 574

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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