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Official data from INPI

CONJUNTO APARAFUSADO DE SEGURANÇA E APARELHO DESTINADO A DEFORMAR POR EXPANSÃO A VIROLA DEFORMÁVEL DO PARAFUSO UTILIZADO NA IRRIGAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8005588

Type

Invention Patent

Filing

09/03/1980

Publication

-

Progress at the INPI

  1. Filing09/03/80
  2. Publication
  3. Examination06/28/83
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 12/10/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome

FR

Framatome & Cie.

FR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79-23312 · 09/19/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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