US2817084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband antenna
Assignee: Raytheon Co
•
Filing: 1953-08-05
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Granted: 1957-12-17
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Expires: 1973-08-05
Abstract
No abstract record available.
Inventors
- 👤 Roger W Clapp
- 👤 Hudspeth Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/52; H01Q1/521; H01Q1/523; H01Q13/00; H01Q13/10; H01Q13/18; H01Q5/00; H01Q5/20; H01Q5/28
Claims Analysis
Total Claims: 0
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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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |