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Official data from INPI

DISPOSITIVO RESISTOR E PROCESSO PARA FABRICAÇÀO DO MESMO, E DISPOSITIVO AQUECEDOR POR RESISTOR AUTO-REGULÁVEL E PROCESSO PARA FABRICAÇÃO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8002721

Type

Invention Patent

Filing

05/02/1980

Publication

-

Progress at the INPI

  1. Filing05/02/80
  2. Publication
  3. Examination11/16/82
  4. Allowance08/02/83
  5. Grant01/31/84
  6. Terminated05/17/88

The patent was granted on 01/31/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. I. (pessoa física)

US

Inventors

G. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

035.889 · 05/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

11/16/1982

RPI 630

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