Patent US3990078A successfully refreshed from Google Patents.
US4582959B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Message waiting alerting method
Assignee: Avaya Technology LLC
•
Filing: 1984-06-05
•
Granted: 2000-02-01
•
Expires: 2004-06-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Myslinski
- 👤 Paul L Richman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/50; H04M3/53; H04M3/537
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) | 2003-01-31 | 2003-08-02 | 2004-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-01-31 | 2007-08-02 | 2008-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-01-31 | 2011-08-02 | 2012-02-01 | $7700.00 | Window Closed / Lapsed |