US3011071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-mechanical differential-voltage detector
Assignee: Raytheon Co
•
Filing: 1958-07-01
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Granted: 1961-11-28
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 James N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:45
CPC Classifications
G; G05; G05B; G05B1/00; G05B1/01; G05B1/02; H; H03; H03K; H03K5/00; H03K5/22; H03K5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2889517A
Cited
US2864961A
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US2861200A
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US2817772A
Cited
US2829251A
Cited
US2866103A
Cited
US2900534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |