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Official data from INPI

PILHA PLANAR DE ARMAZENAGEM ELÉTRICA DE SÓDIO-ENXOFRE, E BATERIA

IndeferidaInvention Patent

Application data

Number

PI9101365

Type

Invention Patent

Filing

04/04/1991

Publication

11/26/1991

Progress at the INPI

Under appeal
  1. Filing04/04/91
  2. Publication11/26/91
  3. Examination08/11/92
  4. Refused02/23/99
  5. Grant
  6. In force

The application was refused by the INPI on 02/23/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/23/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hughes Aircraft Company

US

See this company's full portfolio

Inventors

R. S. (pessoa física)

US

R. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/506,748 · 04/10/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido o pedido com base no disposto no Art. 8ºda LPI.

02/23/1999

RPI 1468

Conhecimento de parecer técnico

#7.1

05/19/1998

RPI 1430

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/17/1991

RPI 1085

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