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Official data from INPI

ACUMULADOR ALCALINO VEDADO À PROVA DE GÁS

PublicadaInvention Patent

Application data

Number

PI8804225

Type

Invention Patent

Filing

08/19/1988

Publication

03/14/1989

Progress at the INPI

  1. Filing08/19/88
  2. Publication03/14/89
  3. Examination02/13/91
  4. Allowance07/09/96
  5. Grant05/27/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. A. (pessoa física)

DE

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Inventors

H. G. (pessoa física)

SG

Technical data

Priority claims

DE

P 37 27 766.9 · 08/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 19/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/09/1996

RPI 1336

Exigência - art. 36 da LPI

#6.1

11/21/1995

RPI 1303

Pedido de certificado de adição de invenção

#5.1

05/14/1991

RPI 1067

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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