US2702879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier network
Assignee: Stromberg Carlson Corp
•
Filing: 1951-05-21
•
Granted: 1955-02-22
•
Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 John L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; H03; H03K; H03K17/00; H03K17/51; H03K17/74; H10; H10W; H10W90/00; Y; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1293594A
Cited
US2028717A
Cited
US2321358A
Cited
US2336588A
Cited
US2410041A
Cited
US2440308A
Cited
US2579141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |