IP Library › Patent Application 61580226
Patent Application Provisional Small
App. No. 61/580,226 · Confirmation No. 1999

METHODOLOGY FOR MULTI-FOCAL DEVICES AND CONTACT LENSES

Inventor: Hsiao-Ching Tung
Provisional Application Expired
⬇ PDF
Code Description Pages PDF
2012-01-12 APP.FILE.REC Filing Receipt 3 View
2011-12-25 DRW Drawings-only black and white line drawings 2 View
2011-12-25 ADS Application Data Sheet 4 View
2011-12-25 SPEC Specification 14 View
2011-12-25 CLM Claims 1 View
2011-12-25 WFEE Fee Worksheet (SB06) 2 View
2011-12-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
61/580,226
Filed
2011-12-25