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Official data from INPI

PROCESSO DE CONTROLE DE QUALIDADE DE SOLDAGENS Á ARCO ESTICADO

Em AnáliseInvention Patent
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Application data

Number

PI8204514

Type

Invention Patent

Filing

07/30/1982

Publication

07/26/1983
View on INPI

Progress at the INPI

  1. Filing07/30/82
  2. Publication07/26/83
  3. Examination08/06/85
  4. Allowance10/04/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

Inventors

H. N. (pessoa física)

DE

W. R. (pessoa física)

DE

Technical data

IPC Classification

B23K 9/10B23K 9/20G08B 21/00

Priority claims

DE

P 31 30 389.7 · 07/31/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.16

11/07/1989

RPI 994

15.16

10/31/1989

RPI 993

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

Patente extinta em 30/07/97

07/01/2008

RPI 1956

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