US3513334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for suppressing undesirable a.c. signals superimposed on the power supply voltage
Assignee: Raytheon Co
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Filing: 1966-12-05
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Granted: 1970-05-19
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Brunner
- 👤 Eric C Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:47
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/14; H02M1/15; H03; H03F; H03F1/00; H03F1/30; H03F1/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |