Patent Application
Provisional
App. No. 60/269,888
· Confirmation No. 8791
Efficient illumination system using filament lamps
Inventor:
Kenneth K. Li
Provisional Application Expired
Inventors
Kenneth K. Li
Arcadia, CA
Attorneys & Agents of Record
Prosecution
- Customer No.
- 6449
- Docket No.
- 2138-239
- Confirmation No.
- 8791
Child
PCT
Claims priority from a provisional application
→
PCT/US2002/004687
Filed 2002-02-19
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
Child
Claims priority from a provisional application
→
App. 10/078,256
· US 6,955,452
Filed 2002-02-20
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 11/208,142
Filed 2005-08-19
· Abandoned -- Failure to Respond to an Office Action
Child
Claims priority from a provisional application
→
App. 11/386,328
· US 7,618,158
Filed 2006-03-22
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
No recorded assignments were found for this patent.
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Quick Facts
- App. No.
- 60/269,888
- Filed
- 2001-02-21
External Links