IP Library Patent Application 61273576
Patent Application Provisional Small
App. No. 61/273,576 · Confirmation No. 4568

Gravity operated, hinged lens curtain

Inventor: Itzhak Sapir
Provisional Application Expired
⬇ PDF
Code Description Pages PDF
2009-10-29 APP.FILE.REC Filing Receipt 3 View
2009-10-19 PEFR Applicant Response to Pre-Exam Formalities Notice 6 View
2009-09-03 APP.FILE.REC Filing Receipt 3 View
2009-09-03 NTC.MISS.PRT Notice to File Missing Parts 2 View
2009-08-06 TRNA Transmittal of New Application 2 View
2009-08-06 SPEC Specification 3 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.
61/273,576
Filed
2009-08-06