Patent US2725541A successfully refreshed from Google Patents.
US2725541A
Expired / Lapsed
US
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Bus duct current distribution apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1951-07-30
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Granted: 1955-11-29
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 William F Born
- 👤 Zipay John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:18
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1047063A
Cited
US1835251A
Cited
US1965181A
Cited
US2041675A
Cited
US2339600A
Cited
US2310024A
Cited
US2444648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |