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Official data from INPI

CABEÇOTE COM TORQUE AJUSTÁVEL PARA REGISTRO.

ConcedidaInvention Patent

Application data

Number

PI8304322

Type

Invention Patent

Filing

08/11/1983

Publication

03/19/1985

Progress at the INPI

  1. Filing08/11/83
  2. Publication03/19/85
  3. Examination08/05/86
  4. Allowance08/11/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Hansen Industrial

SC, BR

Tigre Participações S/A

SC, BR

See this company's full portfolio

Inventors

D. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

11.8

03/15/1988

RPI 908

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Arquivamento - Art. 36 §1° da LPI

#11.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Carta-patente expirada

#21.1

Patente extinta em 11/08/98

07/01/2008

RPI 1956

20.4

11/21/1995

RPI 1303

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