Patent US1183882A successfully refreshed from Google Patents.
US1183882A
Expired / Lapsed
US
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Means for transferring high-potential electric currents in parallel equal arcs.
Assignee: Individual
•
Filing: 1913-09-19
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Granted: 1916-05-23
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Expires: 1933-09-19
Abstract
No abstract record available.
Inventors
- 👤 Carl G Koppitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/20; H02M1/22
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) | 1919-05-23 | 1919-11-22 | 1920-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-23 | 1923-11-22 | 1924-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-23 | 1927-11-22 | 1928-05-23 | $7700.00 | Window Closed / Lapsed |