US2819429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric protective equipment
Assignee: General Electric Co
•
Filing: 1954-05-24
•
Granted: 1958-01-07
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wilfred F Skeats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:41
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/003; H02H7/00; H02H7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172666A
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US1034584A
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US1024555A
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US1197099A
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US1260649A
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US1212146A
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FR581621A
Cited
US1735820A
Cited
US2323702A
Cited
US2571910A
Cited
US2584710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |