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Official data from INPI

MÁQUINA PARA PRECIPITAÇÃO GRAVIMÉTRICA CONTÍNUA POR CENTRIFUGAÇÃO EM MEIO DENSO

ConcedidaInvention Patent

Application data

Number

PI8502204

Type

Invention Patent

Filing

05/09/1985

Publication

12/16/1986

Progress at the INPI

  1. Filing05/09/85
  2. Publication12/16/86
  3. Examination09/22/87
  4. Allowance04/18/89
  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.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. J. (pessoa física)

SP, BR

Inventors

R. J. (pessoa física)

BR

Technical data

IPC Classification

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

08/15/1989

RPI 982

Deferimento

#9.1

04/18/1989

RPI 965

Republicação - classificação IPC

#15.11

11/22/1988

RPI 944

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

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