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US2618685A
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Assignee: Individual
•
Filing: 1947-07-17
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Granted: 1952-11-18
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Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 Cecil G Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:42
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/14; H01B17/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306718A
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US378971A
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US584823A
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DE664698C
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US1937764A
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US1859767A
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US2117381A
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US2235102A
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US2386129A
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US2437344A
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US2429029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |