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Official data from INPI

DISPOSITIVO DE INTERFACE DE TECLADO

Em ExigênciaInvention Patent

Application data

Number

PI8401004

Type

Invention Patent

Filing

03/11/1983

Publication

10/16/1984

Progress at the INPI

  1. Filing03/11/83
  2. Publication10/16/84
  3. Examination09/09/86
  4. Allowance11/27/90
  5. Abandoned
  6. In force

The application was allowed on 11/27/1990 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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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

IBM [US]

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Inventors

S. T. (pessoa física)

Y. T. (pessoa física)

Y. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

10/16/1984

RPI 730

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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