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US2694181A
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Peak-to-peak voltmeter
Assignee: Pye Electronic Products Ltd
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Filing: 1949-12-15
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Granted: 1954-11-09
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Expires: 1969-12-15
Abstract
No abstract record available.
Inventors
- 👤 Lax Ladislav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:49
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602882A
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US2014102A
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US2224199A
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GB565461A
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US2452880A
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US2540213A
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US2576676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |