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US2489501A
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Assignee: ECONOMY FUSE AND MANUFACTURING Co
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Filing: 1945-05-30
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Granted: 1949-11-29
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Expires: 1965-05-30
Abstract
No abstract record available.
Inventors
- 👤 Rensner Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:54
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/055; H01H85/08; H01H85/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB217625A
Cited
US1857097A
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US1857098A
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US2018556A
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US1974119A
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US2028720A
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US2017492A
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US2017490A
Cited
US2028721A
Cited
US2181825A
Cited
US2287553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |