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Official data from INPI

PROCESSO E APARELHO DE CONDUZIR CORRENTES DE AR.

ConcedidaInvention Patent

Application data

Number

PI7701233

Type

Invention Patent

Filing

03/01/1977

Publication

-

Progress at the INPI

  1. Filing03/01/77
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant11/29/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

G. (pessoa física)

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

14.1

09/13/1983

RPI 673

14.7

09/13/1983

RPI 673

14.4

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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