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Official data from INPI

DISPOSITIVO DE FECHAMENTO OU DE ACOPLAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8403871

Type

Invention Patent

Filing

08/02/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/02/84
  2. Publication07/09/85
  3. Examination12/03/85
  4. Allowance03/24/92
  5. Grant11/24/92
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/03/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

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Inventors

K. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 83 22 349.5 · 08/03/1983

DE

P 34 08 835.0 · 03/10/1984

DE

P 34 09 906.9 · 03/17/1984

DE

P 34 09 907.7 · 03/17/1984

DE

P 34 13 155.8 · 04/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

Carta-patente expirada

#21.1

Patente extinta em 02/08/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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