US2901654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflecting electric lamp
Assignee: SCARBOROUGH ASSOCIATES Inc
•
Filing: 1955-03-16
•
Granted: 1959-08-25
•
Expires: 1975-03-16
Abstract
No abstract record available.
Inventors
- 👤 Elman B Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:38
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/32; H01K1/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1394896A
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US1626407A
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US2105430A
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US2067844A
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Cited
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US2270517A
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US2560593A
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US2490776A
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US2666158A
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US2699515A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |