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Official data from INPI

MISTURA DE VEDAÇÃO DE LAMA DE PAVIMENTAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8303367

Type

Invention Patent

Filing

06/23/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/23/83
  2. Publication02/07/84
  3. Examination06/12/84
  4. Allowance12/08/87
  5. Grant06/28/88
  6. Terminated02/18/92

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

S. P. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

397.911 · 07/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Deferimento

#9.1

12/08/1987

RPI 894

Conhecimento de parecer técnico

#7.1

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

09/06/1983

RPI 672

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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