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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8006906

Type

Invention Patent

Filing

10/27/1980

Publication

-

Progress at the INPI

  1. Filing10/27/80
  2. Publication
  3. Examination06/28/83
  4. Allowance07/31/84
  5. Grant12/26/84
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. I. (pessoa física)

US

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Inventors

K. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Deferimento

#9.1

07/31/1984

RPI 719

Republicação - classificação IPC

#15.11

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Republicação - classificação IPC

#15.11

01/18/1983

RPI 639

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

Pedido de licença compulsória

#20.1

10/13/1993

RPI 1193

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