Patent US2654022A successfully refreshed from Google Patents.
US2654022A
Expired / Lapsed
US
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Magnetic trouble lamp
Assignee: AUGUST ENDERS AG
•
Filing: 1950-06-17
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Granted: 1953-09-29
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Expires: 1970-06-17
Abstract
No abstract record available.
Inventors
- 👤 Adamy Kurt
- 👤 Batz Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:59
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; F21V21/096; F21V21/06; H; H01; H01J; H01J61/00; H01J61/02; H01J61/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1268154A
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US1384394A
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US1665810A
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US1440694A
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US1924538A
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US1932143A
Cited
GB401469A
Cited
US2217514A
Cited
US2319292A
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US2495644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |