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Official data from INPI

APERFEIÇOAMENTO EM SISTEMA DE CORTE

ConcedidaInvention Patent

Application data

Number

PI8200523

Type

Invention Patent

Filing

02/01/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing02/01/82
  2. Publication10/04/83
  3. Examination07/24/84
  4. Allowance07/30/85
  5. Grant02/25/86
  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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trambusti Naue do Brasil Industria e Comercio LTDA

SP, BR

Inventors

F. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

Patente extinta em 01/02/97

07/01/2008

RPI 1956

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