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Official data from INPI

PROCESSO PARA PRODUZIR COMPOSICAO DE CONCRETO ASFALTICO E APARELHO PARA PRODUZIR COMPOSICAO DE ASFALTO-AGREGADO

ConcedidaInvention Patent

Application data

Number

PI7808538

Type

Invention Patent

Filing

12/27/1977

Publication

-

Progress at the INPI

  1. Filing12/27/77
  2. Publication
  3. Examination10/13/81
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Terminated01/28/92

The patent was granted on 11/29/1983 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. R. (pessoa física)

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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