Patent US2821375A successfully refreshed from Google Patents.
Patent US2458650A successfully refreshed from Google Patents.
US2458650A
Expired / Lapsed
US
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Coaxial line generator
Assignee: Lanteris Space LLC
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Filing: 1944-09-20
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Granted: 1949-01-11
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Expires: 1964-09-20
Abstract
No abstract record available.
Inventors
- 👤 Louis W Schreiner
- 👤 Eugene V Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:23
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2068991A
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US2223835A
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US2207846A
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US2235414A
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US2272062A
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US2287845A
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US2351895A
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US2285662A
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US2328561A
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US2353742A
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US2408355A
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US2411424A
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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) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |