US843901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch.
Assignee: JOHN H DALE
•
Filing: 1906-07-02
•
Granted: 1907-02-12
•
Expires: 1926-07-02
Abstract
No abstract record available.
Inventors
- 👤 Herman J S Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:55
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/702
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-02-11 | 1910-08-13 | 1911-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-11 | 1914-08-13 | 1915-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-11 | 1918-08-13 | 1919-02-12 | $7700.00 | Window Closed / Lapsed |