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Official data from INPI

CORPO CATALÍTICO E PROCESSO PARA SUA FABRICAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8102878

Type

Invention Patent

Filing

05/08/1981

Publication

02/02/1982

Progress at the INPI

  1. Filing05/08/81
  2. Publication02/02/82
  3. Examination03/27/84
  4. Allowance10/06/87
  5. Grant04/26/88
  6. Terminated09/25/90

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

O. S. (pessoa física)

S. K. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

Conhecimento de parecer técnico

#7.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

08/27/1985

RPI 775

Republicação - classificação IPC

#15.11

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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