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Official data from INPI

DESPOLARIZADOR PARA UMA CÉLULA PRIMÁRIA DE LÍTIO BEM COMO CÉLULA PRIMÁRIA

Em AnáliseInvention Patent

Application data

Number

PI8901516

Type

Invention Patent

Filing

03/31/1989

Publication

-

Progress at the INPI

  1. Filing03/31/89
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mine Safety Appliances Company

US

See this company's full portfolio

Inventors

H. S. (pessoa física)

J. W. (pessoa física)

S. V. (pessoa física)

Technical data

IPC Classification

Priority claims

US

176.591 · 04/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

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