US2925529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear transmission circuits
Assignee: AT&T Inc
•
Filing: 1952-11-04
•
Granted: 1960-02-16
•
Expires: 1972-11-04
Abstract
No abstract record available.
Inventors
- 👤 Cassins C Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:43
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/002; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38; H03G11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2588831A
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US2560806A
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US2595698A
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US2561212A
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US2611832A
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US2593113A
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US2821652A
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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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |