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Official data from INPI

PROCESSO DE FABRICAÇÃO DE LIGAS SEMICONDUTORAS TIPO-P, LIGA SEMI CONDUTORA, DISPOSITIVO DE JUNÇÃO P-N OU P-I-N, PROCESSO DE FABRICAÇÃO DE PAINEL VOLTÁICO.

ConcedidaInvention Patent

Application data

Number

PI8103030

Type

Invention Patent

Filing

05/15/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing05/15/81
  2. Publication02/09/82
  3. Examination09/13/83
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated06/20/95

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

C. V. (pessoa física)

M. I. (pessoa física)

O. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

151.301 · 05/19/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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