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Official data from INPI

CONEXÃO DE APERTO BEM COMO PROCESSO E DISPOSITIVO PARA A FABRICAÇÃO DA MESMA

ConcedidaInvention Patent

Application data

Number

PI7907850

Type

Invention Patent

Filing

12/03/1979

Publication

-

Progress at the INPI

  1. Filing12/03/79
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant07/26/83
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Suddeutsche Kuhlerfabrik Julius Fr. Behr GMBH & Co. Kg.

DE

Inventors

H. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 52 408.5 · 12/04/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

15.0

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

20.4

08/04/1992

RPI 1131

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