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
2026-10-24 19:43
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1851940A
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US2124269A
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GB517209A
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US2262067A
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US2287502A
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US2288078A
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US2341841A
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US2320093A
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US2400223A
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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 |