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Official data from INPI

JUNTA ANELAR DE UNIAO DE TUBO

Em AnáliseInvention Patent

Application data

Number

PI7608801

Type

Invention Patent

Filing

12/29/1976

Publication

-

Progress at the INPI

  1. Filing12/29/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. In force12/29/96

The patent was granted on 06/29/1982 and is in force until 12/29/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/29/1996

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Latest action published by the INPI: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. K. (pessoa física)

Inventors

M. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Licença compulsória (variante)

#20.2

02/02/1988

RPI 902

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

06/29/1982

RPI 610

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