Official data from INPI

AUTO-RELIGADOR PARA LINHA DE FORÇA

PublicadaInvention Patent

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Application data

Number

PI8803397

Type

Invention Patent

Filing

07/07/1988

Publication

01/24/1989

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Progress at the INPI

Filing07/07/88
Publication01/24/89
Examination03/26/91
Allowance02/08/94
Grant08/30/94
Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brush Switchgear Limited

Inventors

J. S. (pessoa física)

Technical data

IPC Classification

H01H 83/00

Priority claims

8715934 · 07/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/24/1989

RPI 953

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Carta-patente expirada

#21.1

Patente extinta em 07/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/31/1994

RPI 1226

Deferimento

#9.1

02/08/1994

RPI 1210

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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