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Official data from INPI

CHAVE DESTINADA A TERMINAR COM OS DESLOCAMENTOS DE UM VIRABREQUIM DURANTE A CENTRAGEM DE SUAS MASSAS CENTRÍFUGAS

ConcedidaInvention Patent

Application data

Number

PI8202636

Type

Invention Patent

Filing

05/07/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/07/82
  2. Publication04/19/83
  3. Examination08/23/83
  4. Allowance12/03/85
  5. Grant06/24/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carl Schenck AG

DE

Inventors

H. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

81 104 386.8 · 06/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/03/1985

RPI 789

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Carta-patente expirada

#21.1

Patente extinta em 07/05/97

07/01/2008

RPI 1956

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