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App. No. 10/213,165 · Confirmation No. 2745

METHOD AND DEVICE FOR ADVANCING A LEAD AND AN ERASER IN A MECHANICAL PENCIL AND FOR ADVANCING A PEN AND AN ERASER IN A PEN

Inventor: Roshan Wijerama
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-03-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-10-15 TRNA Transmittal of New Application 2 View
2002-10-15 DRW Drawings-only black and white line drawings 5 View
2002-08-06 TRNA Transmittal of New Application 2 View
2002-08-06 SPEC Specification 9 View
2002-08-06 CLM Claims 6 View
2002-08-06 ABST Abstract 1 View
2002-08-06 DRW Drawings-only black and white line drawings 5 View
2002-08-06 OATH Oath or Declaration filed 4 View
2002-08-06 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
10/213,165
Filed
2002-08-06
Granted
2004-05-04
Pub. No.
US20040028451A1
Art Unit
3751
PTA
-18 days