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Official data from INPI

CÉLULA GALVÂNICA TENDO UM CATODO DE DIÓXIDO DE MANGANÊS, UMA SOLUÇÃO ALCALINA DE ELETRÓLITO E UM ADNODO DE ZINCO CONTENDO MERCÚRIO

Em AnáliseInvention Patent

Application data

Number

PI8601781

Type

Invention Patent

Filing

04/18/1986

Publication

03/10/1987

Progress at the INPI

Under appeal
  1. Filing04/18/86
  2. Publication03/10/87
  3. Examination03/01/90
  4. Refused06/20/95
  5. Grant
  6. In force

The application was refused by the INPI on 06/20/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/06/1987. 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

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Republicação - classificação IPC

#15.11

09/26/1995

RPI 1295

Indeferimento

#9.2

06/20/1995

RPI 1281

Conhecimento de parecer técnico

#7.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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