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Official data from INPI

CELULA GALVÂNICA E PROCESSO PARA A PRODUÇÃO DE CELULAS GALVÂNICAS

Em AnáliseInvention Patent

Application data

Number

PI8406952

Type

Invention Patent

Filing

07/05/1984

Publication

06/04/1985

Progress at the INPI

  1. Filing07/05/84
  2. Publication06/04/85
  3. Examination06/17/86
  4. Allowance09/03/91
  5. Grant05/26/92
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eveready Battery Company, Inc.

US

See this company's full portfolio

Inventors

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

511910 · 07/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Carta-patente expirada

#21.1

Patente extinta em 05/07/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

01/07/1992

RPI 1101

Deferimento

#9.1

09/03/1991

RPI 1083

Exigência - art. 36 da LPI

#6.1

03/12/1991

RPI 1058

Conhecimento de parecer técnico

#7.1

04/10/1990

RPI 1013

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