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Official data from INPI

ELEMENTOS DE CORDAO PARA FECHOS CORREDICOS COM LINGUAS E CABECA ESTRIADAS

ConcedidaInvention Patent

Application data

Number

PI8102963

Type

Invention Patent

Filing

05/30/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing05/30/80
  2. Publication02/02/82
  3. Examination05/25/82
  4. Allowance01/06/87
  5. Grant09/29/87
  6. Terminated08/07/90

The patent was granted on 09/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXTRON INC

See this company's full portfolio

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

04/15/1986

RPI 808

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Conhecimento de parecer técnico

#7.1

02/05/1985

RPI 746

Exigência - art. 36 da LPI

#6.1

09/11/1984

RPI 725

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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