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Official data from INPI

APERFEIÇOAMENTOS EM PRENSA PARA TERMO-IMPRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8202087

Type

Invention Patent

Filing

04/13/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing04/13/82
  2. Publication11/16/83
  3. Examination02/14/84
  4. Allowance01/29/85
  5. Grant08/27/85
  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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mecânica Wultzl Ltda.

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/21/1985

RPI 761

Deferimento

#9.1

01/29/1985

RPI 745

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

Patente extinta em 13/04/97

07/01/2008

RPI 1956

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