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Official data from INPI

APERFEICOAMENTOS EM CHASSI DO PERFURADOR DE SOLO

Em AnáliseInvention Patent

Application data

Number

PI7906005

Type

Invention Patent

Filing

09/18/1979

Publication

-

Progress at the INPI

  1. Filing09/18/79
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant02/28/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 04/23/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARCHESAN IMPLEMENT & MAQUIN

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/23/1985

RPI 757

Concessão da patente

#16.1

02/28/1984

RPI 697

110

11/16/1983

RPI 682

120

06/21/1983

RPI 661

Recurso

#12.1

02/08/1983

RPI 642

Deferimento

#9.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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