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Official data from INPI

DISPOSITIVO TENSOR

ConcedidaInvention Patent

Application data

Number

PI8206432

Type

Invention Patent

Filing

11/06/1981

Publication

09/27/1983

Progress at the INPI

  1. Filing11/06/81
  2. Publication09/27/83
  3. Examination10/01/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated10/16/90

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RUD KETTEN RIEGER & DIETZ [DE]

Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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