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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8003890

Type

Invention Patent

Filing

06/23/1980

Publication

-

Progress at the INPI

  1. Filing06/23/80
  2. Publication
  3. Examination04/13/82
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Expired09/12/95

The letters patent expired on 09/12/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips Gloeilampenfabrieken

NL

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Inventors

D. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

8.1

05/24/1983

RPI 657

Republicação - classificação IPC

#15.11

04/05/1983

RPI 650

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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