US2579751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency bridge circuit
Assignee: Unisys Corp
•
Filing: 1948-11-26
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Granted: 1951-12-25
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Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Robert B Muchmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:51
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P5/16; H01P5/19; H01P5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456679A
Cited
US2445895A
Cited
US2441574A
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US2527979A
Cited
US2458577A
Cited
US2454907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |