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Official data from INPI

AMORTECEDOR COM REGULAGEM DE FORÇA

DeferidaInvention Patent

Application data

Number

PI8505644

Type

Invention Patent

Filing

11/01/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/01/85
  2. Publication06/09/87
  3. Examination09/01/87
  4. Allowance10/17/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cofap - CIA Fabricadora de Peças

SP, BR

See this company's full portfolio

Inventors

S. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/17/1989

RPI 991

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Carta-patente expirada

#21.1

Patente extinta em 01/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

02/13/1990

RPI 1006

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