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Official data from INPI

SISTEMA E METODO PARA PURIFICACAO DE FRIGORIFICO DE GRUPO MOTOPROPULSOR DE TANQUE DE COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8108959

Type

Invention Patent

Filing

01/19/1981

Publication

12/14/1982

Progress at the INPI

  1. Filing01/19/81
  2. Publication12/14/82
  3. Examination
  4. Allowance02/04/86
  5. Grant08/26/86
  6. Terminated11/16/88

The patent was granted on 08/26/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

L. G. (pessoa física)

L. W. (pessoa física)

P. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

05/14/1985

RPI 760

4.1.2

09/18/1984

RPI 726

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

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