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Official data from INPI

APERFEIÇOAMENTO EM ENTGATE AUTO-VEDANTE.

ConcedidaInvention Patent

Application data

Number

PI8403402

Type

Invention Patent

Filing

07/09/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing07/09/84
  2. Publication11/27/84
  3. Examination03/05/85
  4. Allowance04/12/88
  5. Grant10/25/88
  6. Terminated03/03/92

The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aeroquip Sulamericana Indústria e Comércio

Inventors

J. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

14.7

10/15/1985

RPI 782

14.4

10/08/1985

RPI 781

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação antecipada

#3.2

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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