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Official data from INPI

CORRENTE DE PNEU

Em AnáliseInvention Patent
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Application data

Number

PI7603806

Type

Invention Patent

Filing

06/13/1975

Publication

-
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Progress at the INPI

  1. Filing06/13/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/31/83
  6. Expired08/03/93

The letters patent expired on 08/03/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/13/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERLAU AG EISEN DRAHTWERK

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Inventors

M. A. (pessoa física)

Technical data

IPC Classification

B60C 27/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

11/13/1984

RPI 734

Concessão da patente

#16.1

05/31/1983

RPI 658

11.8

05/03/1983

RPI 654

Arquivamento - Art. 38 §2° da LPI

#11.4

03/15/1983

RPI 647

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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