US2802185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable control system
Assignee: C G S LABORATORIES Inc
•
Filing: 1952-07-24
•
Granted: 1957-08-06
•
Expires: 1972-07-24
Abstract
No abstract record available.
Inventors
- 👤 Gerhard H Dewitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:50
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14; H01F29/146; H01F29/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21407E
Cited
US2027846A
Cited
GB539773A
Cited
US2284406A
Cited
US2390051A
Cited
US2471411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |