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Official data from INPI

ABAFADOR DE RUIDOS

Em AnáliseInvention Patent

Application data

Number

PI8006412

Type

Invention Patent

Filing

10/06/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing10/06/80
  2. Publication06/15/82
  3. Examination05/24/83
  4. Allowance06/26/84
  5. Grant02/26/85
  6. Terminated08/09/94

The patent was granted on 02/26/1985 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: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. H. (pessoa física)

Inventors

C. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/08/1985

RPI 781

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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