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Official data from INPI

VÁLVULA CONTROLADORA PARA AMORTECEDORES

Em AnáliseInvention Patent

Application data

Number

PI8705590

Type

Invention Patent

Filing

10/14/1987

Publication

05/09/1989

Progress at the INPI

  1. Filing10/14/87
  2. Publication05/09/89
  3. Examination10/31/89
  4. Allowance01/14/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. 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).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

05/09/1989

RPI 968

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 14/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

06/02/1992

RPI 1122

Deferimento

#9.1

01/14/1992

RPI 1102

Exigência - art. 36 da LPI

#6.1

08/13/1991

RPI 1080

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