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Official data from INPI

PROCESSO DE HOMOGENEIZAÇÃO POR EMPILHAMENTO E RESUPERAÇÃO DE MATERIAIS A GRANEL SOBRE UMA ÁREA CIRCULAR

ConcedidaInvention Patent

Application data

Number

PI8502357

Type

Invention Patent

Filing

05/17/1985

Publication

05/06/1986

Progress at the INPI

  1. Filing05/17/85
  2. Publication05/06/86
  3. Examination07/12/88
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated07/25/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. B. (pessoa física)

FR

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Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

84/09640 · 06/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

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