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Official data from INPI

PROCESSO DE PREPARACAO DE ELSTOMEROS DE POLIURETANO

Em AnáliseInvention Patent
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Application data

Number

PI7601628

Type

Invention Patent

Filing

03/17/1975

Publication

-
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Progress at the INPI

  1. Filing03/17/75
  2. Publication
  3. Examination
  4. Refused02/17/87
  5. Grant
  6. In force

The application was refused on 02/17/1987 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHMIDT OSKAR [AT]

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

130

02/17/1987

RPI 852

Arquivamento - Art. 36 §1° da LPI

#11.2

04/08/1986

RPI 807

8.1

08/27/1985

RPI 775

120

10/11/1983

RPI 677

Petição de recurso

#12.2

12/22/1981

RPI 583

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