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Official data from INPI

QUEIMADOR DE OXI-COMBUSTÍVEL PARA A QUEIMA DE COMBUSTÍVEL PULVERIZADO

PublicadaInvention Patent

Application data

Number

PI8803018

Type

Invention Patent

Filing

06/20/1988

Publication

01/10/1989

Progress at the INPI

  1. Filing06/20/88
  2. Publication01/10/89
  3. Examination02/19/91
  4. Allowance12/01/92
  5. Grant07/27/93
  6. Terminated10/24/95

The patent was granted on 07/27/1993 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

See this company's full portfolio

Inventors

P. Y. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

87 15030 · 06/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

11/16/1988

RPI 943

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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