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

SENSOR DE LEITURA DE TORQUE

ConcedidaInvention Patent

Application data

Number

PI8303561

Type

Invention Patent

Filing

07/12/1982

Publication

02/14/1984

Progress at the INPI

  1. Filing07/12/82
  2. Publication02/14/84
  3. Examination05/20/86
  4. Allowance
  5. Grant09/27/88
  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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR AEROSPACE CORP [US]

See this company's full portfolio

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Arquivamento - Art. 36 §1° da LPI

#11.2

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

02/14/1984

RPI 695

Pedido de patente depositado

#2.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

Patente extinta em 04/07/98

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.