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Official data from INPI

SISTEMA DE CONTROLE AUTOMÁTICO E DE SOBRE-COMANDO DE EMBREAGEM.

DeferidaInvention Patent

Application data

Number

PI8501184

Type

Invention Patent

Filing

03/18/1985

Publication

11/12/1985

Progress at the INPI

  1. Filing03/18/85
  2. Publication11/12/85
  3. Examination11/10/87
  4. Allowance09/12/89
  5. Grant11/27/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. L. (pessoa física)

US

R. M. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

592.505 · 03/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

11/10/1987

RPI 890

Publicação do pedido de patente

#3.1

11/12/1985

RPI 786

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 18/03/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/27/1990

RPI 1043

14.7

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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