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Official data from INPI

PROCESSO DE LIMPEZA DE TURBINAS DE GASOLINA, PARA REMOCAO DE MATERIAL CARBONADO E OUTRAS IMPUREZAS

ConcedidaInvention Patent

Application data

Number

PI8205850

Type

Invention Patent

Filing

10/06/1982

Publication

05/15/1984

Progress at the INPI

  1. Filing10/06/82
  2. Publication05/15/84
  3. Examination08/28/84
  4. Allowance08/11/87
  5. Grant01/26/88
  6. Terminated01/03/95

The patent was granted on 01/26/1988 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

G. J. (pessoa física)

H. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Conhecimento de parecer técnico

#7.1

06/10/1986

RPI 816

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

11/30/1982

RPI 632

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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