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Official data from INPI

ELEMENTO COMBUSTÍVEL DE REATOR NUCLEAR

Em AnáliseInvention Patent

Application data

Number

PI8305543

Type

Invention Patent

Filing

10/07/1983

Publication

07/10/1984

Progress at the INPI

  1. Filing10/07/83
  2. Publication07/10/84
  3. Examination08/12/86
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

A. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 32 40 061.6 · 10/28/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

12/20/1983

RPI 687

Carta-patente expirada

#21.1

Patente extinta em 07/10/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

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