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Official data from INPI

MONTAGEM DE FERRAMENTA MATRIZ PARA ALARGAMENTO DE TUBOS

Em ExigênciaInvention Patent

Application data

Number

PI8405764

Type

Invention Patent

Filing

11/12/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing11/12/84
  2. Publication09/17/85
  3. Examination05/20/86
  4. Allowance06/19/90
  5. Grant12/26/90
  6. Terminated05/14/96

The patent was granted on 12/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Emerson Electric Co.

US

See this company's full portfolio

Inventors

L. B. (pessoa física)

US

Technical data

Priority claims

US

554.539 · 11/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

01/29/1985

RPI 745

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Republicação - classificação IPC

#15.11

09/24/1991

RPI 1086

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

10/02/1990

RPI 1035

Deferimento

#9.1

06/19/1990

RPI 1023

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