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Official data from INPI

SISTEMA DE CONTROLE PARA CABECOTE DE IMPRESSAO DE MATRIZ DE PONTOS E PROCESSO DE IMPRESSAO DE CARACTERES DE MATRIZ DE PONTOS COM O DITO SISTEMA

ConcedidaInvention Patent

Application data

Number

PI7807479

Type

Invention Patent

Filing

11/14/1978

Publication

-

Progress at the INPI

  1. Filing11/14/78
  2. Publication
  3. Examination
  4. Allowance04/03/84
  5. Grant10/30/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DATAPRODUCTS CORP

Inventors

A. D. (pessoa física)

M. D. (pessoa física)

S. B. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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