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Official data from INPI

PROCESSO E APARELHO PARA TRATAR SUSPENSÕES DE FIBRA DE ALTA CONSISTÊNCIA APARELHO DE PENEIRAÇÃO E LIMPADOR DE TURBILHÃO.

Em AnáliseInvention Patent

Application data

Number

PI7903506

Type

Invention Patent

Filing

06/04/1979

Publication

-

Progress at the INPI

  1. Filing06/04/79
  2. Publication
  3. Examination02/09/82
  4. Allowance02/04/86
  5. Grant07/29/86
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

FI

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Inventors

G. J. (pessoa física)

Technical data

Priority claims

FI

P.781789 · 06/06/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/12/1988

RPI 912

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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