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Official data from INPI

FERRO DE SOLDAR DE TEMPERATURA CONTROLADA REGULÁVEL E RESISTOR TROCÁVEL

Arquivada/ExtintaInvention PatentPCT · US1987002853

Application data

Number

PI8707681

Type

Invention Patent

Filing

10/27/1987

Publication

10/03/1989

PCT

US1987002853

Progress at the INPI

  1. Filing10/27/87
  2. Publication10/03/89
  3. Examination11/27/90
  4. Allowance04/25/95
  5. Grant03/26/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/03/1989. 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

Technical data

Priority claims

US

017.508 · 02/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 27/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

11/14/1995

RPI 1302

9.1.3

07/04/1995

RPI 1283

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

11/22/1994

RPI 1251

Retificação

#15.6

12/17/1991

RPI 1098

Retificação

#15.3

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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