US640371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fuse or cut-out.
Assignee: Individual
•
Filing: 1899-04-12
•
Granted: 1900-01-02
•
Expires: 1919-04-12
Abstract
No abstract record available.
Inventors
- 👤 Louis W Downes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:52
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/055; H01H85/08; H01H85/10
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) | 1903-01-02 | 1903-07-04 | 1904-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-02 | 1907-07-04 | 1908-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-02 | 1911-07-04 | 1912-01-03 | $7700.00 | Window Closed / Lapsed |