US2941173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable inductor
Assignee: C G S LABORATORIES Inc
•
Filing: 1954-09-07
•
Granted: 1960-06-14
•
Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Gollub Raphael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:45
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/18; H03J1/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1918683A
Cited
US2068320A
Cited
US2241912A
Cited
US2326737A
Cited
US2302893A
Cited
US2462423A
Cited
US2507320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |