US2486914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film viewing device having pivotally connected lamp housing and reflector
Assignee: ROTA SEAT Inc
•
Filing: 1945-07-28
•
Granted: 1949-11-01
•
Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Bolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:27
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1355397A
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US1393432A
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US1386913A
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US1629974A
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US1550204A
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US1675383A
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US2211218A
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US2145365A
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US2211376A
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US2317282A
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US2363427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |