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Official data from INPI

PROCESSO E MÁQUINA PARA A OBTENÇÃO DA TRANSFORMAÇÃO QUASE ISOTÉRMICA, NOS PROCESSOS DE COMPRESSÃO OU DE EXPANSÃO DE GÁS.

Em AnáliseInvention Patent
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Application data

Number

PI8108832

Type

Invention Patent

Filing

09/07/1981

Publication

08/24/1982
View on INPI

Progress at the INPI

  1. Filing09/07/81
  2. Publication08/24/82
  3. Examination06/05/84
  4. Allowance09/10/85
  5. Grant06/24/86
  6. Terminated05/24/88

The patent was granted on 06/24/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

F01B 13/00F02G 1/00F25B 13/00

Priority claims

RO

102.311 · 10/08/1980

RO

81/00005 · 09/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

15.7

03/01/1988

RPI 906

10.2

07/21/1987

RPI 874

10.1

04/22/1987

RPI 861

Concessão da patente

#16.1

06/24/1986

RPI 818

15.7

06/17/1986

RPI 817

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Notificação de entrada na fase nacional - PCT

#1.3

08/24/1982

RPI 618

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