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Official data from INPI

APARELHO PARA PRODUZIR APARELHOS TUBULARES DE METAL POR FUNDICAO CENTRIFUGA

ConcedidaInvention Patent

Application data

Number

PI7803471

Type

Invention Patent

Filing

05/31/1978

Publication

-

Progress at the INPI

  1. Filing05/31/78
  2. Publication
  3. Examination02/24/82
  4. Allowance03/07/84
  5. Grant09/25/84
  6. Terminated09/18/90

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

Inventors

N. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/26/1984

RPI 714

Deferimento

#9.1

03/07/1984

RPI 698

Exigência - art. 36 da LPI

#6.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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