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Official data from INPI

ARTIGO CAPAZ DE PROVER UMA PLACA DE IMPRESSAO DRIOGRAFICA

ConcedidaInvention Patent

Application data

Number

PI7608212

Type

Invention Patent

Filing

12/08/1975

Publication

-

Progress at the INPI

  1. Filing12/08/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated09/18/90

The patent was granted on 07/27/1982 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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