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

PROTECAO TERMICA PARA FREIO

ConcedidaInvention Patent

Application data

Number

PI8305534

Type

Invention Patent

Filing

10/04/1982

Publication

05/15/1984

Progress at the INPI

  1. Filing10/04/82
  2. Publication05/15/84
  3. Examination07/22/86
  4. Allowance03/31/87
  5. Grant10/27/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP [US]

See this company's full portfolio

Inventors

S. P. (pessoa física)

S. L. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

12/20/1983

RPI 687

Carta-patente expirada

#21.1

Patente extinta em 04/10/98

08/19/2008

RPI 1963

Patent monitoring

Track this patent in real time.

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