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Official data from INPI

UMA SOLUCAO PARA GALVANOPLASTIA DE CROMO E SUAS LIGAS

ConcedidaInvention Patent
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Application data

Number

PI7800435

Type

Invention Patent

Filing

01/26/1977

Publication

-
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Progress at the INPI

  1. Filing01/26/77
  2. Publication
  3. Examination
  4. Allowance03/17/87
  5. Grant09/29/87
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

B. D. (pessoa física)

M. W. (pessoa física)

Technical data

IPC Classification

C25D 3/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

07/14/1987

RPI 873

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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