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Official data from INPI

COMPOSICOES HERBICIDAS, PROCESSO PARA O COMBATE DE ERVAS DANINHAS E EMPREGO

ConcedidaInvention Patent

Application data

Number

PI8101233

Type

Invention Patent

Filing

03/04/1980

Publication

-

Progress at the INPI

  1. Filing03/04/80
  2. Publication
  3. Examination09/27/83
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated02/04/92

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOECHST AG

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Inventors

B. K. (pessoa física)

B. H. (pessoa física)

D. G. (pessoa física)

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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