US2935692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase control system
Assignee: Individual
•
Filing: 1954-03-08
•
Granted: 1960-05-03
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel L Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:58
CPC Classifications
H; H04; H04L; H04L9/00; H04L2209/00; H04L2209/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1428156A
Cited
US1716573A
Cited
US1550660A
Cited
US2424971A
Cited
US2509621A
Cited
US2575904A
Cited
US2676245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |