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Official data from INPI

APARELHO DIVISOR

Em ExigênciaInvention Patent

Application data

Number

PI8501629

Type

Invention Patent

Filing

04/08/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/08/85
  2. Publication12/03/85
  3. Examination04/22/86
  4. Allowance03/05/91
  5. Grant09/24/91
  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.

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Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fujitsu Limited

JP

See this company's full portfolio

Inventors

M. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

59-070353 · 04/09/1984

JP

59-128610 · 06/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

04/22/1986

RPI 809

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Carta-patente expirada

#21.1

Patente extinta em 08/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/18/1991

RPI 1072

Deferimento

#9.1

03/05/1991

RPI 1057

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