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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207181

Type

Invention Patent

Filing

12/10/1982

Publication

07/17/1984

Progress at the INPI

  1. Filing12/10/82
  2. Publication07/17/84
  3. Examination11/13/84
  4. Allowance11/12/85
  5. Grant06/24/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Equitran - Equipamentos Para Transporte Ltda

MG, BR

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/12/1985

RPI 786

14.1

07/16/1985

RPI 769

Solicitação de exame técnico

#4.1

11/13/1984

RPI 734

Publicação do pedido de patente

#3.1

07/17/1984

RPI 717

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

Patente extinta em 10/12/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

08/23/1994

RPI 1238

Pedido de licença compulsória

#20.1

10/27/1992

RPI 1143

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