US2702371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid network for combining and separating electromagnetic wave signals
Assignee: Lanteris Space LLC
•
Filing: 1949-02-17
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Granted: 1955-02-15
•
Expires: 1969-02-17
Abstract
No abstract record available.
Inventors
- 👤 David E Sunstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:52
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P5/16; H01P5/19; H01P5/22; H01P5/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318237A
Cited
US2445895A
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US2593120A
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US2564030A
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US2462841A
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US2587590A
Cited
US2447543A
Cited
US2531419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |