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Official data from INPI

CARTUCHO DE DISCO

Em AnáliseInvention Patent

Application data

Number

PI8002269

Type

Invention Patent

Filing

04/12/1979

Publication

-

Progress at the INPI

  1. Filing04/12/79
  2. Publication
  3. Examination03/08/83
  4. Allowance02/21/84
  5. Grant08/28/84
  6. Terminated06/21/88

The patent was granted on 08/28/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

A. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

Solicitação de exame técnico

#4.1

03/08/1983

RPI 646

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