US2926280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave structures
Assignee: Raytheon Co
•
Filing: 1956-04-23
•
Granted: 1960-02-23
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Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Rudolf C Hergenrother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/28; H01J23/02; H01J23/08; H01J23/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2687777A
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US2823332A
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US2821652A
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US2858472A
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US2806973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |