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Official data from INPI

PROCESSO PARA PREPARAR UM VIDRO DE QUARTZO APLICÁVEL PARA FORMAÇÃO DE UM VASO OU INVÓLUCRO DE LÂMPADA

ConcedidaInvention Patent

Application data

Number

PI8100199

Type

Invention Patent

Filing

01/14/1981

Publication

-

Progress at the INPI

  1. Filing01/14/81
  2. Publication
  3. Examination11/09/82
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.V. Philips'Gloeilampenfabrieken

NL

See this company's full portfolio

Inventors

E. H. (pessoa física)

NL

G. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8000298 · 01/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

6.2

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

15.0

11/17/1981

RPI 578

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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