US1123225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-resistance device and means for regulating the same.
Assignee: Cutler Hammer Manufacturing Co
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Filing: 1911-10-31
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Granted: 1915-01-05
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Expires: 1931-10-31
Abstract
No abstract record available.
Inventors
- 👤 George E Bernecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/12
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) | 1918-01-04 | 1918-07-06 | 1919-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-01-04 | 1922-07-06 | 1923-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-01-04 | 1926-07-06 | 1927-01-05 | $7700.00 | Window Closed / Lapsed |