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Official data from INPI

TORNO

ConcedidaInvention Patent

Application data

Number

PI7906527

Type

Invention Patent

Filing

10/11/1978

Publication

-

Progress at the INPI

  1. Filing10/11/78
  2. Publication
  3. Examination12/22/81
  4. Allowance03/22/83
  5. Grant07/31/84
  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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INDEX WERKE KG HAHN & TESSKY

Inventors

G. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

15.15

06/05/1984

RPI 711

110

03/07/1984

RPI 698

Recurso

#12.1

07/12/1983

RPI 664

Deferimento

#9.1

03/22/1983

RPI 648

15.0

06/29/1982

RPI 610

Exigência - art. 36 da LPI

#6.1

06/15/1982

RPI 608

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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