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Official data from INPI

DISPOSITIVO DE SEGURANCA PARA FREIOS HIDRAULICOS

Em AnáliseInvention Patent

Application data

Number

PI8106771

Type

Invention Patent

Filing

10/21/1981

Publication

05/24/1983

Progress at the INPI

  1. Filing10/21/81
  2. Publication05/24/83
  3. Examination09/27/83
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Terminated08/07/90

The patent was granted on 05/28/1985 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. B. (pessoa física)

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

09/02/1986

RPI 828

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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