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Official data from INPI

PROCESSO PARA APLICAR UM REVESTIMENTO Á PARTE DE UMA ESTRUTURA.

ConcedidaInvention Patent

Application data

Number

PI7907485

Type

Invention Patent

Filing

11/19/1979

Publication

-

Progress at the INPI

  1. Filing11/19/79
  2. Publication
  3. Examination03/09/82
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated09/25/90

The patent was granted on 01/31/1984 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo Nobel N.V.

NL

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Inventors

D. M. (pessoa física)

K. L. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

7 811 399 · 11/20/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Republicação - classificação IPC

#15.11

09/06/1983

RPI 672

Deferimento

#9.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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