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Official data from INPI

MATERIAL PARA REPRODUÇÃO ELETROFOTOGRÁFICA.

ConcedidaInvention Patent

Application data

Number

PI8008096

Type

Invention Patent

Filing

12/11/1980

Publication

-

Progress at the INPI

  1. Filing12/11/80
  2. Publication
  3. Examination09/27/83
  4. Allowance10/16/84
  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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

L. E. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 49 826.8 · 12/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

01/18/1983

RPI 639

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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