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US2482566A Expired / Lapsed US ⏱️ 0.0 years remaining

Image-projection optical system with cylindrical screen and stop means

Assignee: Lanteris Space LLC
•
Filing: 1945-06-16
•
Granted: 1949-09-20
•
Expires: 1965-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest H Traub

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:39
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/74

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1212424A Cited
US1732051A Cited
US1935220A Cited
US1993448A Cited
US2060817A Cited
US2273801A Cited
US2342874A Cited
US2309788A Cited
US2305855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-09-19 1953-03-21 1953-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-09-19 1957-03-21 1957-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-09-19 1961-03-21 1961-09-20 $7700.00 Window Closed / Lapsed

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