US4544835B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4544835B1 - - Google Patents
Assignee: LaserCard Corp
•
Filing: 1984-11-21
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Granted: 1992-10-20
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Expires: 2004-11-21
Abstract
No abstract record available.
Inventors
- 👤 Drexler Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
G; G11; G11B; G11B9/00; G11B9/08; G11B7/00; G11B7/24; G11B7/2407; G11B7/24085; G06; G06K; G06K19/00; G06K19/06; G06K19/08; G06K19/10; G06K19/14; G11B7/002; G11B7/0033; G11B7/26; Y; Y10; Y10S; Y10S283/00; Y10S283/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-10-20 | 1996-04-20 | 1996-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-20 | 2000-04-20 | 2000-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-20 | 2004-04-20 | 2004-10-20 | $7700.00 | Window Closed / Lapsed |