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Official data from INPI

SISTEMA PRENDEDOR

Em AnáliseInvention Patent

Application data

Number

PI8405081

Type

Invention Patent

Filing

10/08/1984

Publication

08/20/1985

Progress at the INPI

  1. Filing10/08/84
  2. Publication08/20/85
  3. Examination09/29/87
  4. Allowance07/18/89
  5. Grant03/20/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITW do Brasil Participações Ltda

SP, BR

See this company's full portfolio

Inventors

J. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

553.453 · 11/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

14.7

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

09/29/1987

RPI 884

14.1

01/21/1987

RPI 848

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Carta-patente expirada

#21.1

Patente extinta em 08/10/99

07/08/2008

RPI 1957

20.7

06/11/1991

RPI 1071

Concessão da patente

#16.1

03/20/1990

RPI 1010

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