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Official data from INPI

ISOLADOR ELÉTRICO DE BORRACHA DE SILICONE PARA APLICAÇÕES DE ALTA-TENSÃO

Arquivada/ExtintaInvention PatentPCT · EP1995002699

Application data

Number

PI9508451

Type

Invention Patent

Filing

07/07/1995

Publication

12/23/1997

PCT

EP1995002699

Progress at the INPI

  1. Filing07/07/95
  2. Publication12/23/97
  3. Examination
  4. Allowance10/23/01
  5. Grant04/30/02
  6. Expired11/17/15

The letters patent expired on 11/17/2015: 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: 11/17/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceramtec Ag Innovative Ceramic Engineering

DE

Lapp Insulator GmbH & Co. KG

DE

See this company's full portfolio

Inventors

M. K. (pessoa física)

DE

P. B. (pessoa física)

DE

R. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 44 26 927.7 · 07/29/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/07/2015

11/17/2015

RPI 2341

Transferência deferida

#25.1

Transferido de: CeramTec AG Innovative Ceramic Engineering

11/08/2005

RPI 1818

Concessão da patente

#16.1

04/30/2002

RPI 1634

Deferimento

#9.1

10/23/2001

RPI 1607

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1997

RPI 1409

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