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Official data from INPI

APERFEIÇOAMENTO EM CONJUNTO PARA LAMINAÇÃO CONTÍNUA DE VERGALHÕES DE COBRE PURO E RECICLADO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002680

Type

Invention Patent

Filing

06/01/1990

Publication

12/03/1991

Progress at the INPI

  1. Filing06/01/90
  2. Publication12/03/91
  3. Examination06/16/92
  4. Allowance07/23/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

SP, BR

Inventors

F. C. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/06/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

Deferimento

#9.1

07/23/1996

RPI 1338

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

12/03/1991

RPI 1096

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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