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Official data from INPI

APERFEIÇOAMENTOS EM QUEIMADORES DE GÁS DE FOGÕES, FORNOS E SIMILARES.

ConcedidaInvention Patent

Application data

Number

PI8002214

Type

Invention Patent

Filing

04/10/1980

Publication

10/13/1981

Progress at the INPI

  1. Filing04/10/80
  2. Publication10/13/81
  3. Examination12/13/83
  4. Allowance01/02/85
  5. Grant06/25/85
  6. Terminated07/26/94

The patent was granted on 06/25/1985 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delta Metal S/A

Inventors

F. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

12/13/1983

RPI 686

14.1

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

20.4

10/27/1992

RPI 1143

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