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Official data from INPI

CIMENTO HIDRÁULICO

DeferidaInvention PatentPCT · US1988004055

Application data

Number

PI8807354

Type

Invention Patent

Filing

11/14/1988

Publication

03/13/1990

PCT

US1988004055

Progress at the INPI

Awaiting grant fee payment
  1. Filing11/14/88
  2. Publication03/13/90
  3. Examination08/07/90
  4. Allowance09/24/96
  5. Grant
  6. In force

The application was allowed by the INPI on 09/24/1996. The grant of the letters patent is being processed.

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Latest action published by the INPI: 12/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lone Star Industries, Inc

US

Inventors

B. G. (pessoa física)

J. S. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

133.433 · 12/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/23/1997

RPI 1409

Deferimento

#9.1

09/24/1996

RPI 1347

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

Notificação de entrada na fase nacional - PCT

#1.3

03/13/1990

RPI 1009

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