Patent US3414903A successfully refreshed from Google Patents.
US3414903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system with dielectric horn structure interposed between the source and lens
Assignee: Radiation Inc
•
Filing: 1965-03-10
•
Granted: 1968-12-03
•
Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Homer E Bartlett
- 👤 Pietsch Le Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:30
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/06; H01Q19/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA674742A
Cited
DE890527C
Cited
US2596190A
Cited
US3005983A
Cited
US2822541A
Cited
DE1079129B
Cited
US3321763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |