US2908906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase shifter for scanning antenna array
Assignee: Raytheon Co
•
Filing: 1956-05-29
•
Granted: 1959-10-13
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Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:42
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2723377A
Cited
GB592224A
Cited
US2530818A
Cited
US2602859A
Cited
US2632809A
Cited
US2746018A
Cited
US2808571A
Cited
US2851681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |