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Official data from INPI

DISPOSITIVO PARA A MANUTENCAO DE MATERIAIS

ConcedidaInvention Patent

Application data

Number

PI7902928

Type

Invention Patent

Filing

05/31/1978

Publication

-

Progress at the INPI

  1. Filing05/31/78
  2. Publication
  3. Examination
  4. Allowance07/27/82
  5. Grant03/29/83
  6. Terminated09/25/90

The patent was granted on 03/29/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. B. (pessoa física)

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Inventors

C. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

07/27/1982

RPI 614

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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