US2700104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna feed system
Assignee: AIRBORNE INSTR LAB Inc
•
Filing: 1949-04-29
•
Granted: 1955-01-18
•
Expires: 1969-04-29
Abstract
No abstract record available.
Inventors
- 👤 David F Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:47
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/28; H01Q1/286; H01Q1/287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2210066A
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US2209813A
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US2239724A
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US2235506A
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US2284434A
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US2313046A
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US2368663A
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US2476949A
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US2508438A
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US2452767A
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US2531432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |