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

DISPOSITIVO E PROCESSO PARA REALIZAR PERFURAÇÃO POR ROTOPERCUSSÃO DE FLUXO REVERSO

Arquivada/ExtintaInvention PatentPCT · FR1989000388

Application data

Number

PI8907042

Type

Invention Patent

Filing

07/24/1989

Publication

01/02/1991

PCT

FR1989000388

Progress at the INPI

  1. Filing07/24/89
  2. Publication01/02/91
  3. Examination09/10/91
  4. Allowance12/20/94
  5. Grant08/29/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cogema

FR

Inventors

G. S. (pessoa física)

FR

Technical data

Priority claims

FR

88/10457 · 07/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/07/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/29/1995

RPI 1291

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Deferimento

#9.1

12/20/1994

RPI 1255

Exigência - art. 36 da LPI

#6.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Notificação de entrada na fase nacional - PCT

#1.3

01/02/1991

RPI 1048

Patent monitoring

Track this patent in real time.

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