Patent US4950337A successfully refreshed from Google Patents.
Patent DE594340C successfully refreshed from Google Patents.
Patent US984347A successfully refreshed from Google Patents.
Patent US2439956A successfully refreshed from Google Patents.
US2439956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bus-bar structure
Assignee: Westinghouse Electric Corp
•
Filing: 1944-07-07
•
Granted: 1948-04-20
•
Expires: 1964-07-07
Abstract
No abstract record available.
Inventors
- 👤 Charles F Wagner
- 👤 Lawrence L Fountain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:13
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1851940A
Cited
US2124269A
Cited
GB517209A
Cited
US2262067A
Cited
US2287502A
Cited
US2288078A
Cited
US2341841A
Cited
US2320093A
Cited
US2400223A
Cited
US2356006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |