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Official data from INPI

CÉLULA DE CRISTAL LÍQUIDO

Em AnáliseInvention Patent

Application data

Number

PI8602981

Type

Invention Patent

Filing

06/27/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing06/27/86
  2. Publication03/17/87
  3. Examination06/23/87
  4. Allowance08/28/90
  5. Grant03/26/91
  6. Terminated10/03/95

The patent was granted on 03/26/1991 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: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vdo Adolf Schindling Ag

DE

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Inventors

D. S. (pessoa física)

DE

D. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 24 085.7 · 07/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

02/17/1987

RPI 852

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

12/11/1990

RPI 1045

Deferimento

#9.1

08/28/1990

RPI 1030

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