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Official data from INPI

CONTROLE DE RELIGACAO

Em ExigênciaInvention Patent

Application data

Number

PI8502585

Type

Invention Patent

Filing

05/31/1984

Publication

02/04/1986

Progress at the INPI

Awaiting grant fee payment
  1. Filing05/31/84
  2. Publication02/04/86
  3. Examination08/11/87
  4. Allowance04/02/91
  5. Grant
  6. In force

The application was allowed by the INPI on 04/02/1991. The grant of the letters patent is being processed.

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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

MC GRAW EDISON CO [US]

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

02/04/1986

RPI 798

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Retificação

#15.3

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

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