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Official data from INPI

PILHA GALVÂNICA

Em ExigênciaInvention Patent

Application data

Number

PI8303435

Type

Invention Patent

Filing

06/27/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/27/83
  2. Publication02/07/84
  3. Examination05/14/85
  4. Allowance04/24/90
  5. Grant10/30/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/31/1989. 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

H. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

392.690 · 06/28/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Conhecimento de parecer técnico

#7.1

03/07/1989

RPI 959

14.1

04/26/1988

RPI 914

6.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

05/14/1985

RPI 760

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/09/1983

RPI 668

Carta-patente expirada

#21.1

Patente extinta em 27/06/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

04/24/1990

RPI 1015

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