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Official data from INPI

INTERRUPTOR A TECLA

Em AnáliseInvention Patent

Application data

Number

PI8200170

Type

Invention Patent

Filing

01/14/1982

Publication

11/03/1982

Progress at the INPI

  1. Filing01/14/82
  2. Publication11/03/82
  3. Examination05/15/84
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated05/24/88

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Illinois Tool Works INC

US

See this company's full portfolio

Inventors

E. W. (pessoa física)

US

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

226.583 · 01/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

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