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Official data from INPI

ELO DE ENGATE RÁPIDO PARA CORRENTES TRANSPORTADORAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005180

Type

Invention Patent

Filing

10/10/1990

Publication

04/14/1992

Progress at the INPI

  1. Filing10/10/90
  2. Publication04/14/92
  3. Examination05/31/94
  4. Allowance04/18/95
  5. Grant12/26/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fábrica de Aço Paulista S.A

SP, BR

See this company's full portfolio

Inventors

R. G. (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 10/10/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

12/26/1995

RPI 1308

Notificação para pagamento de retribuição

#13.1

09/12/1995

RPI 1293

Deferimento

#9.1

04/18/1995

RPI 1272

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Publicação do pedido de patente

#3.1

04/14/1992

RPI 1115

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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