Patent US2497093A successfully refreshed from Google Patents.
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 04:49
CPC Classifications
G; G01; G01R; G01R21/00; G01R21/02; G01R21/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2365207A
Cited
US1957454A
Cited
US1959356A
Cited
US2151118A
Cited
US2197123A
Cited
US2267268A
Cited
US2262134A
Cited
US2284379A
Cited
US2333143A
Cited
US2282317A
Cited
US2398606A
Cited
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 |