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Official data from INPI

MECANISMO DE DESCARGA MEDIANTE ACIONAMENTO PNEUMATICO

Em AnáliseInvention Patent

Application data

Number

PI8300954

Type

Invention Patent

Filing

02/28/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing02/28/83
  2. Publication10/02/84
  3. Examination10/07/86
  4. Allowance08/11/87
  5. Grant05/31/88
  6. Terminated04/18/95

The patent was granted on 05/31/1988 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. O. (pessoa física)

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/11/1988

RPI 938

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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