US1056866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-changing mechanism.
Assignee: Kellogg Switchboard and Supply Co
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Filing: 1906-07-05
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Granted: 1913-03-25
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Expires: 1926-07-05
Abstract
No abstract record available.
Inventors
- 👤 Harry G Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:24
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30
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) | 1916-03-24 | 1916-09-23 | 1917-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-03-24 | 1920-09-23 | 1921-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-03-24 | 1924-09-23 | 1925-03-25 | $7700.00 | Window Closed / Lapsed |