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Official data from INPI

DISPOSICAO DE COMPENSACAO PARA DOIS CONDUTORES OCOS,GIRADOS UM RELATIVAMENTE AO OUTRO

Em AnáliseInvention Patent

Application data

Number

PI7900023

Type

Invention Patent

Filing

01/04/1978

Publication

-

Progress at the INPI

  1. Filing01/04/78
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant
  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: 04/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LICENTIA GMBH

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/10/1984

RPI 703

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

15.0

05/18/1982

RPI 604

Deferimento

#9.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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