Patent US3005984A successfully refreshed from Google Patents.
US3005984A
Expired / Lapsed
US
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Slotted waveguide antennas
Assignee: Raytheon Co
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Filing: 1958-12-29
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Granted: 1961-10-24
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles F Winter
- 👤 John E Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:39
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043; H01Q21/005
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) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |