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Official data from INPI

PROCESSO E APARELHO PARA PRODUZIR UM GÁS DE SÍNTESE.

ConcedidaInvention Patent

Application data

Number

PI8108076

Type

Invention Patent

Filing

12/11/1981

Publication

09/21/1982

Progress at the INPI

  1. Filing12/11/81
  2. Publication09/21/82
  3. Examination11/06/84
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Terminated08/07/90

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

217.363 · 12/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Publicação do pedido de patente

#3.1

09/21/1982

RPI 622

Pedido de patente depositado

#2.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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