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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8108901

Type

Invention Patent

Filing

12/01/1981

Publication

10/26/1982

Progress at the INPI

  1. Filing12/01/81
  2. Publication10/26/82
  3. Examination06/19/84
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated03/19/96

The patent was granted on 11/26/1985 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company.

US

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Inventors

A. (pessoa física)

D. G. (pessoa física)

G. V. (pessoa física)

W. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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