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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8208005

Type

Invention Patent

Filing

11/19/1982

Publication

10/18/1983

Progress at the INPI

  1. Filing11/19/82
  2. Publication10/18/83
  3. Examination02/26/85
  4. Allowance09/06/88
  5. Grant07/25/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

S. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Conhecimento de parecer técnico

#7.1

08/27/1985

RPI 775

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Notificação de entrada na fase nacional - PCT

#1.3

10/18/1983

RPI 678

Carta-patente expirada

#21.1

Patente extinta em 19/11/97

07/01/2008

RPI 1956

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