US2848182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna mast supports
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-06-24
•
Granted: 1958-08-19
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Leslie K Wildberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:17
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US349361A
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US449785A
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US1971300A
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US2100154A
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US2391202A
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US2416802A
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US2499011A
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US2736854A
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US2650051A
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US2674147A
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GB678793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |