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Official data from INPI

CANHAO ELETRONICO

ConcedidaInvention Patent

Application data

Number

PI7902199

Type

Invention Patent

Filing

04/12/1978

Publication

-

Progress at the INPI

  1. Filing04/12/78
  2. Publication
  3. Examination01/05/82
  4. Allowance08/10/82
  5. Grant02/22/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RCA CORP

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Inventors

C. H. (pessoa física)

H. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Deferimento

#9.1

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Pedido de licença compulsória

#20.1

05/29/1990

RPI 1020

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