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US2918544A
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Assignee: Cutler Hammer Inc
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Filing: 1957-07-02
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Granted: 1959-12-22
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Martin F Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:50
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/28; H01H13/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US887252A
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US1256332A
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GB189857A
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US1861641A
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DE714021C
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GB546135A
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US2532468A
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US2565350A
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US2653198A
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US2750463A
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GB730991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |