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Official data from INPI

VEDADOR COM FURO VARIÁVEL PARA USO NA FENDA FRONTAL DO ARIETE DE UM IMPEDIDOR DE ESCAPE DO TIPO ARIETE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004577

Type

Invention Patent

Filing

09/13/1990

Publication

11/19/1991

Progress at the INPI

  1. Filing09/13/90
  2. Publication11/19/91
  3. Examination03/01/94
  4. Allowance08/13/96
  5. Grant05/27/97
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Cooper Industries, Inc

US

See this company's full portfolio

Inventors

D. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

473.579 · 02/01/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/09/2010

01/29/2013

RPI 2195

Transferência deferida

#25.1

12/30/1997

RPI 1410

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

Deferimento

#9.1

08/13/1996

RPI 1341

Solicitação de exame técnico

#4.1

03/01/1994

RPI 1213

Publicação do pedido de patente

#3.1

11/19/1991

RPI 1094

Pedido de patente depositado

#2.1

03/19/1991

RPI 1059

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