Patent US2694185A successfully refreshed from Google Patents.
US2694185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit arrangement
Assignee: Sprague Electric Co
•
Filing: 1951-01-19
•
Granted: 1954-11-09
•
Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
- 👤 George T Kodama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H05K1/162; H01; H01G; H01G4/00; H01G4/38; H01G4/385; H05K1/02; H05K1/03; H05K1/0306; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09654; H05K2201/09672; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |