US2821604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuse constructions
Assignee: Westinghouse Electric Corp
•
Filing: 1952-11-29
•
Granted: 1958-01-28
•
Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 James M Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:48
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10; H01H9/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563566A
Cited
US1226151A
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GB185889A
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US1663333A
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US2056760A
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US2043024A
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US2050277A
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US2174767A
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US2172226A
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US2208440A
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US2324044A
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US2250210A
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US2394590A
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US2493601A
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US2640128A
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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) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |