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Official data from INPI

DISPOSITIVO DE JOEIRAMENTO

ConcedidaInvention Patent

Application data

Number

PI7705824

Type

Invention Patent

Filing

08/31/1977

Publication

-

Progress at the INPI

  1. Filing08/31/77
  2. Publication
  3. Examination
  4. Allowance11/17/81
  5. Grant08/31/82
  6. In force08/31/97

The patent was granted on 08/31/1982 and is in force until 08/31/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/31/1997

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Latest action published by the INPI: 08/31/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DERRICK MFG CORP

Inventors

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

03/23/1982

RPI 596

Deferimento

#9.1

11/17/1981

RPI 578

22.2

02/19/1991

RPI 1055

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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