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Official data from INPI

IMPRESSORA DE IMPACTO E CARTUCHO DE FITA

Concessão AnuladaInvention Patent

Application data

Number

PI7908620

Type

Invention Patent

Filing

01/02/1979

Publication

-

Progress at the INPI

  1. Filing01/02/79
  2. Publication
  3. Examination09/14/82
  4. Allowance07/12/83
  5. Grant01/31/84
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

B. J. (pessoa física)

G. W. (pessoa física)

S. R. (pessoa física)

V. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

06/19/1984

RPI 713

16.3

04/17/1984

RPI 704

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

Pedido de licença compulsória

#20.1

10/13/1993

RPI 1193

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