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Official data from INPI

CONJUNTO DE PINOS DE FIXAÇÃO E FERRAMENTA DE AGARRAMENTO AO SOLO

DeferidaInvention PatentPCT · US1988004524

Application data

Number

PI8807922

Type

Invention Patent

Filing

12/19/1988

Publication

06/11/1991

PCT

US1988004524

Progress at the INPI

Awaiting grant fee payment
  1. Filing12/19/88
  2. Publication06/11/91
  3. Examination06/15/93
  4. Allowance05/17/94
  5. Grant
  6. In force

The application was allowed by the INPI on 05/17/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 10/11/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

D. B. (pessoa física)

M. D. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

261,853 · 10/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/11/1994

RPI 1245

Deferimento

#9.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Notificação de entrada na fase nacional - PCT

#1.3

06/11/1991

RPI 1071

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