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Official data from INPI

PROCESSO DE FABRICAR DISPOSITIVOS FOTOVOLTÁICOS APERFEIÇOADOS, CÉLULA SOLAR APERFEIÇOADA E PROCESSO DE FABRICAR UM DISPOSIVO SEMI CONDUTOR DE ÁREA RELATIVAMENTE PEQUENA.

ConcedidaInvention Patent

Application data

Number

PI8300515

Type

Invention Patent

Filing

02/02/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/02/83
  2. Publication11/08/83
  3. Examination11/05/85
  4. Allowance08/25/87
  5. Grant03/29/88
  6. Terminated02/18/92

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

N. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

347.779 · 02/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/25/1987

RPI 879

Exigência - art. 36 da LPI

#6.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

11/05/1985

RPI 785

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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