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

CAIXA DE TRAMISSÃO MÚLTIPLA INTEGRADA A CONJUNTO DIFERENCIAL COM TOMADA DE FORÇA PARA 3º EIXO.

ConcedidaInvention Patent

Application data

Number

PI8102028

Type

Invention Patent

Filing

04/03/1981

Publication

11/09/1982

Progress at the INPI

  1. Filing04/03/81
  2. Publication11/09/82
  3. Examination04/05/83
  4. Allowance09/08/87
  5. Grant05/31/88
  6. Terminated06/20/95

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engesa-Engenheiros Especializados S.A

Inventors

R. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

12/02/1986

RPI 841

14.7

09/02/1986

RPI 828

Pedido de certificado de adição de invenção

#5.1

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Patent monitoring

Track this patent in real time.

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