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Official data from INPI

DISPOSITIVO DE CARREGAR E FONTE DE ÍONS DE CORONA.

PublicadaInvention Patent

Application data

Number

PI8706914

Type

Invention Patent

Filing

12/18/1987

Publication

07/26/1988

Progress at the INPI

  1. Filing12/18/87
  2. Publication07/26/88
  3. Examination11/13/90
  4. Allowance10/27/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

X. C. (pessoa física)

US

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Inventors

R. B. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

945,044 · 12/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 18/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/09/1993

RPI 1162

Deferimento

#9.1

10/27/1992

RPI 1143

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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