US3337765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave tube time delay device
Assignee: Raytheon Co
•
Filing: 1964-05-28
•
Granted: 1967-08-22
•
Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Harry F Chapell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:00
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123735A
Cited
US2794936A
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US2933639A
Cited
US3073991A
Cited
US3227959A
Cited
US3179838A
Cited
US3153742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |