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Official data from INPI

PROCESSO PARA DEPOSITAR UMA PELÍCULA DE LIGA SEMICONDUTORA AMORFA SOBRE UM SUBSTRATO

Em ExigênciaInvention Patent

Application data

Number

PI8501075

Type

Invention Patent

Filing

03/11/1985

Publication

04/22/1986

Progress at the INPI

  1. Filing03/11/85
  2. Publication04/22/86
  3. Examination04/05/88
  4. Allowance03/05/91
  5. Grant09/24/91
  6. Terminated05/21/96

The patent was granted on 09/24/1991 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

See this company's full portfolio

Inventors

D. A. (pessoa física)

US

L. W. (pessoa física)

US

S. O. (pessoa física)

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

605.575 · 04/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/18/1991

RPI 1072

Deferimento

#9.1

03/05/1991

RPI 1057

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