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Official data from INPI

CONJUNTO DE ARTICULACAO PARA ROCADEIRAS E CAPINADEIRAS AGRICOLAS

Em AnáliseInvention Patent

Application data

Number

PI7901846

Type

Invention Patent

Filing

03/23/1979

Publication

-

Progress at the INPI

  1. Filing03/23/79
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant05/17/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. K. (pessoa física)

Inventors

O. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/10/1987

RPI 890

Concessão da patente

#16.1

05/17/1983

RPI 656

110

03/22/1983

RPI 648

Recurso

#12.1

09/14/1982

RPI 621

Deferimento

#9.1

06/01/1982

RPI 606

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A01D 55/262.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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