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Official data from INPI

AIVECA DE CURVATURA REGULAVEL

Em AnáliseInvention Patent

Application data

Number

PI8206234

Type

Invention Patent

Filing

10/25/1982

Publication

06/05/1984

Progress at the INPI

  1. Filing10/25/82
  2. Publication06/05/84
  3. Examination10/23/84
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 08/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. I. (pessoa física)

Inventors

I. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

08/04/1987

RPI 876

Pedido de licença voluntária

#17.1

03/24/1987

RPI 857

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

Carta-patente expirada

#21.1

Patente extinta em 25/10/97

08/19/2008

RPI 1963

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