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Official data from INPI

CONEXÃO DE TUBO PARA TUBOS TRABALHANDO EM AVANÇO, ASSENTADOS SOB O SOLO PELA TÉCNICA DE TRABALHO EM AVANÇO

Arquivada/ExtintaInvention PatentPCT · EP1990001124

Application data

Number

PI9006854

Type

Invention Patent

Filing

07/10/1990

Publication

08/06/1991

PCT

EP1990001124

Progress at the INPI

  1. Filing07/10/90
  2. Publication08/06/91
  3. Examination02/11/92
  4. Allowance05/31/94
  5. Grant01/31/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halbergerhuette GmbH

DE

Pont-A-Mousson S.A.

FR

Inventors

H. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 22 985.8 · 07/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/07/2005

06/15/2010

RPI 2058

Pedido de licença compulsória

#20.1

10/24/1995

RPI 1299

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

02/11/1992

RPI 1106

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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