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Official data from INPI

DISPOSITIVO DE FECHO INTEGRAL

Em AnáliseInvention Patent

Application data

Number

PI8100037

Type

Invention Patent

Filing

01/06/1981

Publication

09/08/1982

Progress at the INPI

  1. Filing01/06/81
  2. Publication09/08/82
  3. Examination10/30/84
  4. Allowance02/12/86
  5. Grant08/26/86
  6. Terminated08/23/94

The patent was granted on 08/26/1986 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: 05/26/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. N. (pessoa física)

RJ, BR

Inventors

E. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

05/26/1987

RPI 866

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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