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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8003446

Type

Invention Patent

Filing

06/02/1980

Publication

-

Progress at the INPI

  1. Filing06/02/80
  2. Publication
  3. Examination
  4. Allowance05/15/84
  5. Grant11/27/84
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kernforschugszentrum Karlsruhe GMBH

DE

Inventors

B. E. (pessoa física)

B. W. (pessoa física)

E. W. (pessoa física)

K. G. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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