Patent US717194A successfully refreshed from Google Patents.
US717194A
Expired / Lapsed
US
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Arc-light switchboard.
Assignee: General Electric Co
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Filing: 1901-05-16
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Granted: 1902-12-30
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Expires: 1921-05-16
Abstract
No abstract record available.
Inventors
- 👤 Edward M Hewlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:21
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/20; H02B1/207
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 |