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Official data from INPI

PROCESSO PARA OBTENÇÃO DE POLÍMERO E COPOLÍMEROS APLICÁVEIS EMCOMPOSIÇÃO DE REVESTIMENTO E RESPECTIVA COMPOSIÇÕES.

ConcedidaInvention Patent

Application data

Number

PI8002650

Type

Invention Patent

Filing

04/29/1980

Publication

-

Progress at the INPI

  1. Filing04/29/80
  2. Publication
  3. Examination10/19/82
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

10/19/1982

RPI 626

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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