(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

MÉTODO DE VEDAÇÃO ENTRE A SUPERFÍCIE DE VEDAÇÃO INTERNA DE UM INVÓLUCRO DE POÇO E A SUPERFÍCIE DE VEDAÇÃO EXTERNA DE UM SUSPENSOR.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101566

Type

Invention Patent

Filing

04/18/1991

Publication

04/07/1992

Progress at the INPI

  1. Filing04/18/91
  2. Publication04/07/92
  3. Examination05/24/94
  4. Allowance11/25/97
  5. Grant09/29/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

J. B. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

573.630 · 08/24/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

11/25/1997

RPI 1408

Transferência deferida

#25.1

05/20/1997

RPI 1381

Conhecimento de parecer técnico

#7.1

01/21/1997

RPI 1364

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

05/24/1994

RPI 1225

Publicação do pedido de patente

#3.1

04/07/1992

RPI 1114

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.