US806752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined alternating and direct current control apparatus.
Assignee: General Electric Co
•
Filing: 1905-05-08
•
Granted: 1905-12-05
•
Expires: 1925-05-08
Abstract
No abstract record available.
Inventors
- 👤 Jesse S Pevear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:57
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H9/061
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1908-12-04 | 1909-06-05 | 1909-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-04 | 1913-06-05 | 1913-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-04 | 1917-06-05 | 1917-12-05 | $7700.00 | Window Closed / Lapsed |