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Official data from INPI

APARELHO E PROCESSO PARA TENSIONAMENTO DE FIO DE ARAME RESISTIVO

ConcedidaInvention Patent

Application data

Number

PI8405475

Type

Invention Patent

Filing

10/26/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/26/84
  2. Publication09/03/85
  3. Examination10/13/87
  4. Allowance01/10/89
  5. Grant09/26/89
  6. Terminated10/16/90

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Sensors, Inc.

US

Inventors

D. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

546.368 · 10/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/10/1989

RPI 951

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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