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Official data from INPI

FERRAMENTA DE SOLDAR OU DESSOLDAR E BICO DE SOLDAR OU DESSOLDAR SUBSTITUÍVEL.

Em ExigênciaInvention Patent

Application data

Number

PI8402941

Type

Invention Patent

Filing

06/15/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/15/84
  2. Publication05/28/85
  3. Examination03/24/87
  4. Allowance08/28/90
  5. Grant07/30/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cooper Industries, Inc.

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

US

P. U. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

504.970 · 06/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

03/24/1987

RPI 857

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/21/1984

RPI 722

Carta-patente expirada

#21.1

Patente extinta em 15/06/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

07/30/1991

RPI 1078

Retificação

#15.6

01/15/1991

RPI 1050

Retificação

#15.3

10/02/1990

RPI 1035

Deferimento

#9.1

08/28/1990

RPI 1030

Exigência - art. 36 da LPI

#6.1

03/13/1990

RPI 1009

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