Patent US2324760A successfully refreshed from Google Patents.
Patent US5502989B1 successfully refreshed from Google Patents.
US5502989B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer physical security device
Assignee: Acco Brands USA LLC
•
Filing: 1994-09-16
•
Granted: 1998-04-14
•
Expires: 2014-09-16
Abstract
No abstract record available.
Inventors
- 👤 William R Murray Jr
- 👤 Stewart R Carl
- 👤 Arthur H Zarnowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:08
CPC Classifications
E; E05; E05B; E05B73/00; E05B73/0005; E05B73/0082; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/402; Y10T70/409; Y10T70/50; Y10T70/5009
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 2001-04-13 | 2001-10-13 | 2002-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-04-13 | 2005-10-13 | 2006-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-04-13 | 2009-10-13 | 2010-04-14 | $7700.00 | Window Closed / Lapsed |