US3058107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple unit antenna system
Assignee: AT&T Inc
•
Filing: 1960-12-05
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Granted: 1962-10-09
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Warren E Danielson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:06
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24; H01Q3/242; H01Q3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2432134A
Cited
US2466354A
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 |