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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE VIDRO FOTOTRÓPICO

ConcedidaInvention Patent
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Application data

Number

PI8202345

Type

Invention Patent

Filing

04/23/1982

Publication

04/05/1983
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Progress at the INPI

  1. Filing04/23/82
  2. Publication04/05/83
  3. Examination05/21/85
  4. Allowance12/13/88
  5. Grant09/26/89
  6. Terminated11/29/94

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. G. (pessoa física)

DE

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Inventors

G. G. (pessoa física)

DE

U. E. (pessoa física)

DE

Technical data

IPC Classification

C03C 3/064C03C 3/072C03C 3/089C03C 4/06

Priority claims

DE

P 31 17 000 5 · 04/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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