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Official data from INPI

COMPOSICAO HERBICIDA CONCENTRADA APERFEICOADA

Em AnáliseInvention Patent

Application data

Number

PI7700314

Type

Invention Patent

Filing

01/20/1976

Publication

-

Progress at the INPI

  1. Filing01/20/76
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 10/05/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI LTD

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

18.8

11/13/1990

RPI 1041

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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