US2433404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light generating device
Assignee: Raytheon Co
•
Filing: 1942-02-25
•
Granted: 1947-12-30
•
Expires: 1962-02-25
Abstract
No abstract record available.
Inventors
- 👤 Charles G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:09
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02; C09K11/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984426A
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US2009196A
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US1919932A
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GB445187A
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US2135732A
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US2087735A
Cited
GB474907A
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US2208998A
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GB494192A
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US2298947A
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US2323142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |