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Official data from INPI

CÉLULA ELETROLÍTICA SEPARAÇÃO DE GASES, SISTEMA DE CÉLULAS MÚLTIPLAS E PROCESSO PARA A SEPARAÇÃO DE GASES.

Em AnáliseInvention Patent

Application data

Number

PI8101867

Type

Invention Patent

Filing

03/27/1981

Publication

-

Progress at the INPI

  1. Filing03/27/81
  2. Publication
  3. Examination03/02/82
  4. Allowance04/08/86
  5. Grant11/25/86
  6. Terminated05/24/88

The patent was granted on 11/25/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Development Associates, Inc

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

134.929 · 03/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Republicação - classificação IPC

#15.11

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

08/27/1985

RPI 775

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

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