US2531017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bus structure
Assignee: Westinghouse Electric Corp
•
Filing: 1946-10-30
•
Granted: 1950-11-21
•
Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles P West
- 👤 Harold H Rugg
- 👤 Paul R Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:39
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1934434A
Cited
US2039793A
Cited
US2084580A
Cited
US2144247A
Cited
US2293310A
Cited
US2310919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |