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Official data from INPI

SUSPENSÃO PESTICIDA À BASE DE ÀGUA E PROCESSO PARA SUA FABRICAÇÃO .

ConcedidaInvention Patent

Application data

Number

PI8007612

Type

Invention Patent

Filing

11/21/1980

Publication

-

Progress at the INPI

  1. Filing11/21/80
  2. Publication
  3. Examination08/16/83
  4. Allowance09/13/88
  5. Grant05/30/89
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

A. L. (pessoa física)

P. N. (pessoa física)

Technical data

Priority claims

GB

794069 · 11/23/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Deferimento

#9.1

09/13/1988

RPI 934

Exigência - art. 36 da LPI

#6.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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