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Official data from INPI

Elemento de acoplamento para tubulações através das quais são transportados meios que contém substâncias radioativas ou tóxicas.

ConcedidaInvention Patent

Application data

Number

PI8405317

Type

Invention Patent

Filing

10/19/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/19/84
  2. Publication09/03/85
  3. Examination09/01/87
  4. Allowance06/21/88
  5. Grant01/10/89
  6. Terminated10/16/90

The patent was granted on 01/10/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. M. (pessoa física)

DE

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Inventors

G. H. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 33 38 241.7 · 10/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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