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Official data from INPI

APARELHO E PROCESSO PARA GERAR CALOR

ConcedidaInvention Patent

Application data

Number

PI8201799

Type

Invention Patent

Filing

03/30/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/30/82
  2. Publication03/01/83
  3. Examination06/28/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated10/23/90

The patent was granted on 05/28/1985 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. K. (pessoa física)

JP

Inventors

N. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

56-46436 · 03/31/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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