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Official data from INPI

COMPOSIÇÃO HERBICIDA SINERGÍSTICA E PROCESSO DE CONTROLAR VEGETAÇÃO INDESEJÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8606474

Type

Invention Patent

Filing

12/29/1986

Publication

10/20/1987

Progress at the INPI

  1. Filing12/29/86
  2. Publication10/20/87
  3. Examination11/14/89
  4. Allowance06/06/95
  5. Grant03/26/96
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stauffer Chemical Company

US

Zeneca AG Products Inc.

US

See this company's full portfolio

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

814.443 · 12/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 29/12/2001

07/22/2008

RPI 1959

Transferência deferida

#25.1

Transferido de: Stauffer Chemical Company.

10/03/2000

RPI 1552

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

10/17/1995

RPI 1298

Deferimento

#9.1

06/06/1995

RPI 1279

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

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