US3400401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luneberg lens antenna constructed from two geodesic domes
Assignee: KENNETH W SHAW
•
Filing: 1966-01-12
•
Granted: 1968-09-03
•
Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:06
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/02; H01Q15/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |