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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8008159

Type

Invention Patent

Filing

12/12/1980

Publication

-

Progress at the INPI

  1. Filing12/12/80
  2. Publication
  3. Examination10/04/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

B. D. (pessoa física)

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/09/1984

RPI 729

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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