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Official data from INPI

SERRA PARA TORAS CONJUGADAS COM MECANISMO DE DESDOBRAR TABUAS.

ConcedidaInvention Patent

Application data

Number

PI8400779

Type

Invention Patent

Filing

02/21/1984

Publication

05/22/1984

Progress at the INPI

  1. Filing02/21/84
  2. Publication05/22/84
  3. Examination01/22/85
  4. Allowance07/08/86
  5. Grant03/31/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dambroz S/A Indústria Mecânica e Metalúrgica

RS, BR

Inventors

F. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação antecipada

#3.2

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

Patente extinta em 21/02/99

07/08/2008

RPI 1957

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