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Official data from INPI

APARELHO REPRODUTOR DE VEDEOTAPE COM EXPLORACAO ROTATIVA

Em AnáliseInvention Patent

Application data

Number

PI8102104

Type

Invention Patent

Filing

04/08/1980

Publication

10/13/1981

Progress at the INPI

  1. Filing04/08/80
  2. Publication10/13/81
  3. Examination11/16/83
  4. Allowance10/16/84
  5. Grant04/30/85
  6. Terminated01/17/89

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

B. R. (pessoa física)

B. M. (pessoa física)

D. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

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