US3017584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave transmission network
Assignee: AT&T Inc
•
Filing: 1959-11-25
•
Granted: 1962-01-16
•
Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Walter R Lundry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:30
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/36; H04B3/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2115138A
Cited
US2768351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |