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Official data from INPI

COMPOSICAO HERBICIDA

ConcedidaInvention Patent

Application data

Number

PI8106923

Type

Invention Patent

Filing

11/06/1980

Publication

07/13/1982

Progress at the INPI

  1. Filing11/06/80
  2. Publication07/13/82
  3. Examination05/15/84
  4. Allowance05/12/87
  5. Grant10/27/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HODOGAYA CHEMICAL CO LTD [JP]

Inventors

I. T. (pessoa física)

S. Y. (pessoa física)

T. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/12/1987

RPI 864

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

07/13/1982

RPI 612

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Carta-patente expirada

#21.1

Patente extinta em 27/10/96

08/19/2008

RPI 1963

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