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US2588154A
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High-intensity lighting unit
Assignee: AMERICAN GAS ACCUMULATOR Co
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Filing: 1947-07-15
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Granted: 1952-03-04
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Expires: 1967-07-15
Abstract
No abstract record available.
Inventors
- 👤 Victor L Oestnaes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:24
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337880A
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US2155295A
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US2184004A
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US2329557A
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US2284878A
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US2344153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |