US3057959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing wave generator
Assignee: AT&T Inc
•
Filing: 1960-11-02
•
Granted: 1962-10-09
•
Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Harrison E Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/07; H03L7/08; H03L7/081; H03L7/0812; H04; H04L; H04L25/00; H04L25/02; H04L25/20; H04L25/24; H04L25/242; H04L7/00; H04L7/02; H04L7/027; H04M; H04M19/00; H04M19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2617885A
Cited
US2842669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |