US4527012B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communications switching system with modular switching communicatons peripheral and host computer
Assignee: Redcom Laboratories Inc
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Filing: 1983-01-31
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Granted: 1994-12-13
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Expires: 2003-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jerome S Caplan
- 👤 James W Delmege
- 👤 Robert R Laman
- 👤 Christine Navarro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0407
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) | 1997-12-12 | 1998-06-13 | 1998-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-12 | 2002-06-13 | 2002-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-12-12 | 2006-06-13 | 2006-12-13 | $7700.00 | Window Closed / Lapsed |