US2999925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable decision threshold computer
Assignee: PAGE COMMUNICATIONS ENGINEERS Inc
•
Filing: 1959-01-28
•
Granted: 1961-09-12
•
Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/10; H04L27/14; H04L27/142
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2443434A
Cited
US2782412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |