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Official data from INPI

FOTORECEPTOR ELETROFOTOGRÁFICO E PROCESSO PARA SUA FABRICAÇÃO.

Em ExigênciaInvention Patent

Application data

Number

PI8505242

Type

Invention Patent

Filing

10/22/1985

Publication

12/16/1986

Progress at the INPI

  1. Filing10/22/85
  2. Publication12/16/86
  3. Examination12/27/88
  4. Allowance05/29/90
  5. Grant05/28/91
  6. Terminated08/15/95

The patent was granted on 05/28/1991 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: 11/28/1989. 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

A. J. (pessoa física)

US

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

729.701 · 05/02/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/28/1989

RPI 997

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

01/07/1986

RPI 794

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

05/28/1991

RPI 1069

15.18

03/19/1991

RPI 1059

Retificação

#15.3

01/02/1991

RPI 1048

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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