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Official data from INPI

PROCESSO DE SULFOCARBONITRETAÇÃO GASOSA.

ConcedidaInvention Patent

Application data

Number

PI8007564

Type

Invention Patent

Filing

11/20/1980

Publication

07/20/1982

Progress at the INPI

  1. Filing11/20/80
  2. Publication07/20/82
  3. Examination12/21/82
  4. Allowance03/27/84
  5. Grant11/27/84
  6. Terminated08/09/94

The patent was granted on 11/27/1984 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustol Indústria e Comércio Ltda.

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/27/1984

RPI 701

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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