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Official data from INPI

PROCESSO E SISTEMA APERFEIÇOADO PARA FORMAR UM MEMBRO SEMICONDUTOR.

Em AnáliseInvention Patent

Application data

Number

PI8602112

Type

Invention Patent

Filing

05/12/1986

Publication

01/13/1987

Progress at the INPI

  1. Filing05/12/86
  2. Publication01/13/87
  3. Examination12/06/88
  4. Allowance02/24/93
  5. Grant08/31/93
  6. Terminated09/26/95

The patent was granted on 08/31/1993 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

A. J. (pessoa física)

US

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

734.576 · 05/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

01/13/1987

RPI 847

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

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