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Official data from INPI

PROCESSO PARA PREPARACAO DE UMA RESINA

Concessão AnuladaInvention Patent

Application data

Number

PI8002914

Type

Invention Patent

Filing

05/18/1979

Publication

-

Progress at the INPI

  1. Filing05/18/79
  2. Publication
  3. Examination01/18/83
  4. Allowance11/29/83
  5. Grant05/29/84
  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: 08/21/1984. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.4

08/21/1984

RPI 722

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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