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Official data from INPI

ESYUI,CONTRUCAO DE ESQUI E PROCESSO DE SUA FORMACAO

ConcedidaInvention Patent

Application data

Number

PI8104975

Type

Invention Patent

Filing

08/08/1980

Publication

04/20/1982

Progress at the INPI

  1. Filing08/08/80
  2. Publication04/20/82
  3. Examination08/02/83
  4. Allowance09/01/87
  5. Grant04/26/88
  6. Terminated02/04/92

The patent was granted on 04/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO

See this company's full portfolio

Inventors

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Conhecimento de parecer técnico

#7.1

12/30/1986

RPI 845

Conhecimento de parecer técnico

#7.1

12/03/1985

RPI 789

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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