Patent US1284293A successfully refreshed from Google Patents.
US1284293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of distribution.
Assignee: Westinghouse Electric Corp
•
Filing: 1916-03-13
•
Granted: 1918-11-12
•
Expires: 1936-03-13
Abstract
No abstract record available.
Inventors
- 👤 Charles Le G Fortescue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:59
CPC Classifications
H; H02; H02K; H02K47/00; H02K47/18; H02K47/30; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/10; H02M5/14
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) | 1921-11-11 | 1922-05-13 | 1922-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-11 | 1926-05-13 | 1926-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-11 | 1930-05-13 | 1930-11-12 | $7700.00 | Window Closed / Lapsed |