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Official data from INPI

PROCESSO DE PREPARACAO DE RESINA DE URETANA DE ESTER VINILICO E COMPOSICAO DE REVESTIMENTO CURAVEL

ConcedidaInvention Patent

Application data

Number

PI7807569

Type

Invention Patent

Filing

11/18/1977

Publication

-

Progress at the INPI

  1. Filing11/18/77
  2. Publication
  3. Examination
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Terminated01/28/92

The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI AMERICA INC

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Inventors

B. W. (pessoa física)

F. E. (pessoa física)

R. W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

11/23/1982

RPI 631

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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