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Official data from INPI

CAPACITOR DE POTÊNCIA DE LÂMINA ESTENDIDA E MÉTODO PARA A SUA FABRICAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103494

Type

Invention Patent

Filing

08/15/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/15/91
  2. Publication05/12/92
  3. Examination06/14/94
  4. Allowance04/13/99
  5. Grant11/16/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

P. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

568.489 · 08/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 15/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/16/1999

RPI 1506

Deferimento

#9.1

04/13/1999

RPI 1475

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

06/14/1994

RPI 1228

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

09/17/1991

RPI 1085

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