US3402494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Lithonia Lighting Inc
•
Filing: 1965-10-22
•
Granted: 1968-09-24
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; G09; G09F; G09F13/00; G09F13/18; G09F13/04; G09F13/0418; G09F2013/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190705638A
Cited
US1081646A
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US1145005A
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US1241886A
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US1385913A
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US1932291A
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US2148179A
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US2857067A
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US2902784A
Cited
US3215453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |