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Official data from INPI

FIBRAS DE AÇO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003498

Type

Invention Patent

Filing

07/19/1990

Publication

02/18/1992

Progress at the INPI

  1. Filing07/19/90
  2. Publication02/18/92
  3. Examination08/11/92
  4. Allowance03/15/94
  5. Grant11/29/94
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vulkan do Brasil Indústria e Comércio de Acoplamentos Ltda

SP, BR

Inventors

J. B. (pessoa física)

BR

L. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/07/2005

05/25/2010

RPI 2055

20.4

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

02/18/1992

RPI 1107

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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