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Official data from INPI

Material magnético e membro gravador de impulso magnético.

Em AnáliseInvention Patent

Application data

Number

PI7906871

Type

Invention Patent

Filing

10/24/1979

Publication

-

Progress at the INPI

  1. Filing10/24/79
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Terminated01/28/92

The patent was granted on 08/30/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pfizer, Inc.

US

See this company's full portfolio

Inventors

M. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

54.393 · 07/02/1979

US

954.498 · 10/25/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/10/1987

RPI 855

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Republicação - classificação IPC

#15.11

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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