US2611054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fused drop-out cutout
Assignee: AB Chance Co
•
Filing: 1949-04-20
•
Granted: 1952-09-16
•
Expires: 1969-04-20
Abstract
No abstract record available.
Inventors
- 👤 David C Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:34
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/02; H01H31/12; H01H31/122; H01H31/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1918542A
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US2028421A
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US2212633A
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US2331846A
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US2354907A
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US2331843A
Cited
US2331848A
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US2357772A
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US2446675A
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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) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |