US2795653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tube voltmeter amplifier circuit
Assignee: Reeves Instrument Corp
•
Filing: 1953-11-12
•
Granted: 1957-06-11
•
Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Rawley D Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:10
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/18; G01R19/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2435331A
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GB646581A
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US2538488A
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US2685000A
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US2615064A
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US2619552A
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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) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |