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Official data from INPI

APARELHO PARA CONTINUAMENTE FORMAR E SOLDAR A LASER CORPOS DE LATA E SEMELHANTES;APARELHO PARA CONTINUAMENTE AVANCAR E SOLDAR CORPOS DE LATA E SEMELHANTES

ConcedidaInvention Patent

Application data

Number

PI8301878

Type

Invention Patent

Filing

04/15/1982

Publication

12/20/1983

Progress at the INPI

  1. Filing04/15/82
  2. Publication12/20/83
  3. Examination06/12/84
  4. Allowance07/14/87
  5. Grant11/24/87
  6. Terminated02/18/92

The patent was granted on 11/24/1987 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SWS INC [US]

Inventors

N. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Deferimento

#9.1

07/14/1987

RPI 873

14.1

03/10/1987

RPI 855

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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