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Official data from INPI

DISPOSITIVO PARA UM REFINADOR A DISCO

Em AnáliseInvention Patent

Application data

Number

PI8502916

Type

Invention Patent

Filing

06/18/1985

Publication

01/27/1987

Progress at the INPI

  1. Filing06/18/85
  2. Publication01/27/87
  3. Examination02/14/89
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Thune-Eureka A/S, firma norueguêsa

NO

Inventors

O. T. (pessoa física)

NO

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

01/27/1987

RPI 849

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Carta-patente expirada

#21.1

Patente extinta em 18/06/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

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