US2617029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutating antenna
Assignee: Individual
•
Filing: 1948-06-29
•
Granted: 1952-11-04
•
Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Kinsey L Plummer
- 👤 Wilkes Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/16; H01Q3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407690A
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GB570038A
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GB579763A
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US2438343A
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US2429640A
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US2429601A
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US2422184A
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US2420007A
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US2457562A
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US2433924A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |