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Official data from INPI

APARELHO PARA CONTROLE DE IMPRESSORA COM ACELERACAO E DESACELERACAO CONTROLADAS

ConcedidaInvention Patent

Application data

Number

PI8205921

Type

Invention Patent

Filing

10/16/1981

Publication

09/06/1983

Progress at the INPI

  1. Filing10/16/81
  2. Publication09/06/83
  3. Examination10/01/85
  4. Allowance07/12/88
  5. Grant12/27/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM [US]

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Inventors

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

09/06/1983

RPI 672

Pedido de patente depositado

#2.1

12/07/1982

RPI 633

Carta-patente expirada

#21.1

Patente extinta em 08/10/97

08/19/2008

RPI 1963

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