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Official data from INPI

APERFEIÇOAMENTO EM LÂMPADAS PROVIDAS DE VÁRIOS FILAMENTOS

DeferidaInvention Patent
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Application data

Number

PI8505957

Type

Invention Patent

Filing

11/20/1985

Publication

06/16/1987
View on INPI

Progress at the INPI

  1. Filing11/20/85
  2. Publication06/16/87
  3. Examination08/18/87
  4. Allowance10/03/89
  5. Grant02/13/91
  6. Terminated08/15/95

The patent was granted on 02/13/1991 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

SP, BR

Inventors

U. K. (pessoa física)

BR

Technical data

IPC Classification

H01K 1/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

01/27/1987

RPI 849

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

02/13/1991

RPI 1054

Retificação

#15.6

11/27/1990

RPI 1043

Retificação

#15.3

09/11/1990

RPI 1032

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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