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US717152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of generating independent electric currents.
Assignee: Individual
•
Filing: 1902-01-13
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Granted: 1902-12-30
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Expires: 1922-01-13
Abstract
No abstract record available.
Inventors
- 👤 Engelbert Arnold
- 👤 Ole Sivert Bragstad
- 👤 Jens Lassen La Cour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:14
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/34
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) | 1905-12-29 | 1906-06-30 | 1906-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-12-29 | 1910-06-30 | 1910-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-12-29 | 1914-06-30 | 1914-12-30 | $7700.00 | Window Closed / Lapsed |