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Official data from INPI

LIGA AMORFA FOTO SENSÍVEL, E, RESPECTIVO DISPOSITIVO FOTO SENSÍVEL

ConcedidaInvention Patent

Application data

Number

PI8105747

Type

Invention Patent

Filing

09/08/1981

Publication

05/25/1982

Progress at the INPI

  1. Filing09/08/81
  2. Publication05/25/82
  3. Examination11/23/82
  4. Allowance03/07/89
  5. Grant11/28/89
  6. Terminated06/27/95

The patent was granted on 11/28/1989 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

D. A. (pessoa física)

US

S. O. (pessoa física)

Technical data

IPC Classification

Priority claims

US

185,520 · 09/09/1980

US

206.579 · 11/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

03/07/1989

RPI 959

Exigência - art. 36 da LPI

#6.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

11/26/1985

RPI 788

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Publicação do pedido de patente

#3.1

05/25/1982

RPI 605

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

Concessão anulada

#16.2

03/13/1990

RPI 1009

Concessão anulada

#16.2

01/16/1990

RPI 1002

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