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Official data from INPI

APERFEICOAMENTO EM NOS PARA ENFARDAMENTO

ConcedidaInvention Patent

Application data

Number

PI8405271

Type

Invention Patent

Filing

10/18/1984

Publication

04/23/1985

Progress at the INPI

  1. Filing10/18/84
  2. Publication04/23/85
  3. Examination07/09/85
  4. Allowance04/12/88
  5. Grant12/27/88
  6. Terminated06/27/95

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. J. (pessoa física)

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

07/09/1985

RPI 768

Publicação antecipada

#3.2

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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