US910478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rheostat.
Assignee: General Electric Co
•
Filing: 1907-07-29
•
Granted: 1909-01-19
•
Expires: 1927-07-29
Abstract
No abstract record available.
Inventors
- 👤 William C Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:59
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/625; G05F1/63; G05F1/648
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) | 1912-01-19 | 1912-07-20 | 1913-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-19 | 1916-07-20 | 1917-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-19 | 1920-07-20 | 1921-01-19 | $7700.00 | Window Closed / Lapsed |