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Official data from INPI

APARELHO DE DESLIGAMENTO SENSÍVEL A TOQUE PARA FERRAMENTAS PNEUMÁTICAS ACIONADAS.

Em AnáliseInvention Patent

Application data

Number

PI8000278

Type

Invention Patent

Filing

01/16/1980

Publication

-

Progress at the INPI

  1. Filing01/16/80
  2. Publication
  3. Examination09/14/82
  4. Allowance11/16/83
  5. Grant05/29/84
  6. Terminated06/21/88

The patent was granted on 05/29/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Industries, Inc

US

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Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

0004.013 · 01/17/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

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