Granted Patent
Utility
US 6,427,921
· Confirmation No. 7697
HIDDEN INFORMATION ON A DOCUMENT FOR AUTHENTICATION
Inventor:
Daniel F. Dlugos
Inventors
Daniel F. Dlugos
Huntington, CT
Attorneys & Agents of Record
Classification
USPC
235/494
G07F7/08
G07B17/00508
G07B2017/00201
G07B2017/00443
G07B2017/00637
G07F7/12
Prosecution
- Examiner
- PITTS, HAROLD I
- Art Unit
- 2876
- Customer No.
- 919
- Docket No.
- F-445
- Confirmation No.
- 7697
Publication
- Pub. No.
- US20020088866A1
- Pub. Date
- 2002-07-11
Patent Term Adjustment
-97days
Parent
is a Continuation in-part of
→
App. 09/741,496
· US 6,390,377
Filed 2000-12-19
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
is a Continuation of
→
PCT/US2001/049304
Filed 2001-12-19
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2025-02-19
SECURITY INTEREST
Recorded 2019-11-01
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Quick Facts
- Patent No.
- US 6,427,921
- App. No.
- 09/683,368
- Filed
- 2001-12-19
- Granted
- 2002-08-06
- Pub. No.
- US20020088866A1
- Examiner
- PITTS, HAROLD I
- Art Unit
- 2876
- PTA
- -97 days
External Links