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Official data from INPI

CONETOR ELETRICO POLARIZADO

Em AnáliseInvention Patent

Application data

Number

PI7900602

Type

Invention Patent

Filing

02/03/1978

Publication

-

Progress at the INPI

  1. Filing02/03/78
  2. Publication
  3. Examination
  4. Allowance08/10/82
  5. Grant02/22/83
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMP INC

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

06/24/1986

RPI 818

Concessão da patente

#16.1

02/22/1983

RPI 644

Deferimento

#9.1

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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