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US3006243A Expired / Lapsed US ⏱️ 0.0 years remaining

Slide projector

Assignee: Individual
•
Filing: 1959-04-24
•
Granted: 1961-10-31
•
Expires: 1979-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Zillmer Erich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:12
CPC Classifications
G; G03; G03B; G03B23/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2594162A Cited
US2579281A Cited
US2632362A Cited
US2784817A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-30 1965-05-01 1965-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-30 1969-05-01 1969-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-30 1973-05-01 1973-10-31 $7700.00 Window Closed / Lapsed

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