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Official data from INPI

ENGRENAGEM MAGNÉTICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004237

Type

Invention Patent

Filing

08/22/1990

Publication

03/03/1992

Progress at the INPI

  1. Filing08/22/90
  2. Publication03/03/92
  3. Examination05/31/94
  4. Allowance02/21/96
  5. Grant06/24/97
  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

M. S. (pessoa física)

SP, BR

Inventors

M. S. (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 22/08/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Notificação para pagamento de retribuição

#13.1

09/24/1996

RPI 1347

Deferimento

#9.1

02/21/1996

RPI 1316

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Publicação do pedido de patente

#3.1

03/03/1992

RPI 1109

Pedido de patente depositado

#2.1

03/05/1991

RPI 1057

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