US2607029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload limiting means for electric circuits
Assignee: Fkg Fritz Kesselring Geratebau AG
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Filing: 1947-04-24
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Granted: 1952-08-12
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Expires: 1967-04-24
Abstract
No abstract record available.
Inventors
- 👤 Kesselring Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
H; H01; H01H; H01H83/00; H02; H02H; H02H9/00; H02H9/02; H02H9/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US816468A
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US1344713A
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US1287233A
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US1433712A
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US1571304A
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US1834832A
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US2261686A
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US2316710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |