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Official data from INPI

LENTE DIFUSORA DE LUZ

DeferidaInvention Patent

Application data

Number

PI8506773

Type

Invention Patent

Filing

06/07/1985

Publication

11/25/1986

Progress at the INPI

  1. Filing06/07/85
  2. Publication11/25/86
  3. Examination07/28/87
  4. Allowance10/24/89
  5. Grant06/26/90
  6. Terminated09/19/95

The patent was granted on 06/26/1990 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ernst Granstrom Ab.

SE

Inventors

E. G. (pessoa física)

S. B. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8403074-1 · 06/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1986

RPI 840

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/01/1990

RPI 1007

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