US2497093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency wattmeter
Assignee: Unisys Corp
•
Filing: 1944-06-17
•
Granted: 1950-02-14
•
Expires: 1964-06-17
Abstract
No abstract record available.
Inventors
- 👤 Moreno Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:48
CPC Classifications
G; G01; G01R; G01R21/00; G01R21/02; G01R21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365207A
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US1957454A
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US1959356A
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US2151118A
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US2197123A
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US2267268A
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US2262134A
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US2284379A
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US2333143A
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US2282317A
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US2398606A
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US2427094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |