US687078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating-current system.
Assignee: General Electric Co
•
Filing: 1900-05-26
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Granted: 1901-11-19
•
Expires: 1920-05-26
Abstract
No abstract record available.
Inventors
- 👤 Charles P Steinmetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:15
CPC Classifications
H; H02; H02P; H02P25/00; H02P25/16; H02P25/24; H02P25/26
Claims Analysis
Total Claims: 0
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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) | 1904-11-18 | 1905-05-20 | 1905-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-11-18 | 1909-05-20 | 1909-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-11-18 | 1913-05-20 | 1913-11-19 | $7700.00 | Window Closed / Lapsed |