Global patent index - EP 1093936 A1

EP 1093936 A1 2001-04-25 - WRITING INSTRUMENT

Title (en)

WRITING INSTRUMENT

Title (de)

SCHREIBGERÄT

Title (fr)

INSTRUMENT D'ECRITURE

Publication

EP 1093936 A1 (EN)

Application

EP 99922525 A

Priority

  • JP 9902804 W
  • JP 14625298 A
  • JP 30286298 A
  • JP 33797298 A

Abstract (en)

Provided is a writing instrument having an ink tank part for storing ink, wherein an ink 11 contained in the ink tank part 31 comprises an ink component 12 and a layer-separative component 13 which separates to be a layer from the ink component 12; both of a specific gravity and a surface tension of the layer-separative component 13 are smaller than those of the ink component 12; and the ink 11 can freely move in the ink tank part 10. This provides a writing instrument and a liquid applicator which are excellent in visibility of an ink-remaining amount. <IMAGE>

IPC 1-7 (main, further and additional classification)

B43K 8/03; B43K 5/02; B43K 7/02; B43K 7/06

IPC 8 full level (invention and additional information)

B43K 5/12 (2006.01); B43K 7/02 (2006.01); B43K 8/00 (2006.01)

CPC (invention and additional information)

B43K 8/00 (2013.01); B43K 5/005 (2013.01); B43K 5/12 (2013.01); B43K 7/005 (2013.01); B43K 7/02 (2013.01); B43K 8/003 (2013.01)

Designated contracting state (EPC)

DE FR

EPO simple patent family

WO 9961258 A1 19991202; AU 3954699 A 19991213; EP 1093936 A1 20010425; EP 1093936 A4 20040331

INPADOC legal status

2004-11-10 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20040428

2004-03-31 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20040213

2004-03-31 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 43K 8/03 A

2004-03-31 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 43K 7/02 B

2004-03-31 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 43K 5/02 B

2004-03-31 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- IPC: 7B 43K 7/06 B

2001-04-25 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001227

2001-04-25 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR