US2815484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex electrical system and means for testing same
Assignee: Babcock and Wilcox Co
•
Filing: 1954-07-19
•
Granted: 1957-12-03
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Bulliet Leander Jackson
- 👤 Nelson P Bashor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:45
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/12; G01R31/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |