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Official data from INPI

HERBICIDAS;COMPOSICAO HERBICIDA;E PROCESSO PARA A PREPARACAO DE UM DERIVADO DA IMIDAZOLA

Em AnáliseInvention Patent

Application data

Number

PI7801257

Type

Invention Patent

Filing

03/04/1977

Publication

-

Progress at the INPI

  1. Filing03/04/77
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated05/17/88

The patent was granted on 04/24/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAY & BAKER LTD

Inventors

G. J. (pessoa física)

H. L. (pessoa física)

L. W. (pessoa física)

P. E. (pessoa física)

W. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

12/28/1982

RPI 636

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