US2698404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line-sectionalizer integratormechanism
Assignee: Westinghouse Electric Corp
•
Filing: 1950-07-21
•
Granted: 1954-12-28
•
Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Andrew W Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:37
CPC Classifications
H; H01; H01H; H01H75/00; H01H75/02; H01H75/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737649A
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US1805082A
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US2098331A
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US2051938A
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US2053944A
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US2455067A
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US2468851A
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US2515530A
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US2573234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |