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Official data from INPI

ÍNCORA TIPO PARAFUSO E PROCESSO PARA SUA FIXAÇÃO EM UM MATERIAL DE ALVENARIA

ConcedidaInvention Patent

Application data

Number

PI8300383

Type

Invention Patent

Filing

01/27/1983

Publication

10/25/1983

Progress at the INPI

  1. Filing01/27/83
  2. Publication10/25/83
  3. Examination10/01/85
  4. Allowance10/04/88
  5. Grant08/29/89
  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: 08/29/1989. 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

K. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

347.809 · 02/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

14.1

04/19/1988

RPI 913

11.8

08/25/1987

RPI 879

Retificação

#15.3

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

10/21/1986

RPI 835

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Carta-patente expirada

#21.1

Patente extinta em 27/01/98

07/01/2008

RPI 1956

20.7

07/30/1991

RPI 1078

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