Patent Application
Provisional
App. No. 60/286,006
· Confirmation No. 4029
Etendue efficient polarization recovery system for projection displays
Inventor:
Kenneth K. Li
Provisional Application Expired
Inventors
Kenneth K. Li
Arcadia, CA
Attorneys & Agents of Record
Prosecution
- Customer No.
- 6449
- Docket No.
- 2138-243
- Confirmation No.
- 4029
Child
Claims priority from a provisional application
→
App. 10/128,526
· US 6,840,623
Filed 2002-04-24
· Patented Case
Child
Claims priority from a provisional application
→
App. 10/995,115
· US 7,232,228
Filed 2004-11-24
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2002/012225
Filed 2002-04-18
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
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Quick Facts
- App. No.
- 60/286,006
- Filed
- 2001-04-25
External Links