US2576060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-frequency calorimeter wattmeter
Assignee: Individual
•
Filing: 1945-08-08
•
Granted: 1951-11-20
•
Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 James M Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:22
CPC Classifications
G; G01; G01R; G01R21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957538A
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US1905353A
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US2197122A
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US2387158A
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US2354809A
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US2398606A
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US2438915A
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US2464277A
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US2409599A
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US2497093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |