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Official data from INPI

PROCESSO DE OBTENCAO DE ELEMENTO COMBUSTIVEL SOLIDO

ConcedidaInvention Patent
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Application data

Number

PI8007583

Type

Invention Patent

Filing

11/20/1980

Publication

07/20/1982
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Progress at the INPI

  1. Filing11/20/80
  2. Publication07/20/82
  3. Examination10/13/82
  4. Allowance06/14/88
  5. Grant07/25/89
  6. Terminated02/04/92

The patent was granted on 07/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. M. (pessoa física)

Inventors

U. M. (pessoa física)

Technical data

IPC Classification

C10L 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Conhecimento de parecer técnico

#7.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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