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Official data from INPI

PROCESSO E APARELHO DE PERFILAGEM DIFERENCIAL POR RUIDO

ConcedidaInvention Patent

Application data

Number

PI8103094

Type

Invention Patent

Filing

05/19/1980

Publication

01/26/1982

Progress at the INPI

  1. Filing05/19/80
  2. Publication01/26/82
  3. Examination04/20/82
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated08/07/90

The patent was granted on 10/01/1985 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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