US816468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making and breaking high-potential circuits.
Assignee: General Electric Co
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Filing: 1898-12-14
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Granted: 1906-03-27
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Expires: 1918-12-14
Abstract
No abstract record available.
Inventors
- 👤 Edward M Hewlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/123
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) | 1909-03-26 | 1909-09-25 | 1910-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-03-26 | 1913-09-25 | 1914-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-03-26 | 1917-09-25 | 1918-03-27 | $7700.00 | Window Closed / Lapsed |