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

CONJUNTO DE VEDAÇÃO DE FACE DE EXTREMIDADE DO TIPO MAGNÉTICO

PublicadaInvention Patent

Application data

Number

PI8804670

Type

Invention Patent

Filing

09/09/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/09/88
  2. Publication04/18/89
  3. Examination04/09/91
  4. Allowance11/17/92
  5. Grant05/25/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

D. A. (pessoa física)

US

L. W. (pessoa física)

W. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

095,557 · 09/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 09/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

Patent monitoring

Track this patent in real time.

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