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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008783

Type

Invention Patent

Filing

08/08/1980

Publication

-

Progress at the INPI

  1. Filing08/08/80
  2. Publication
  3. Examination05/17/83
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Expired11/21/95

The letters patent expired on 11/21/1995: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

A. D. (pessoa física)

C. J. (pessoa física)

Y. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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