Patent US2775718A successfully refreshed from Google Patents.
US2775718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic speed light
Assignee: Individual
•
Filing: 1954-03-04
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Granted: 1956-12-25
•
Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Dubilier William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/84; H01J61/90; H01J61/02; H01J61/30; H01J61/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1517466A
Cited
US1585252A
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US1881619A
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US2259040A
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US2249672A
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US2156068A
Cited
US2212950A
Cited
US2182609A
Cited
US2531220A
Cited
US2498640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |