US2479650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective wave guide energy meter
Assignee: Lanteris Space LLC
•
Filing: 1944-11-01
•
Granted: 1949-08-23
•
Expires: 1964-11-01
Abstract
No abstract record available.
Inventors
- 👤 John W Tiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
G; G01; G01R; G01R21/00; G01R21/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999250A
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US2205873A
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US2302143A
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US2416790A
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US2314764A
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US2408033A
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US2403289A
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US2423390A
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US2423416A
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US2423526A
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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) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |