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US3399993A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic reproduction in three dimensions

Assignee: Individual
•
Filing: 1965-01-08
•
Granted: 1968-09-03
•
Expires: 1985-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 Agnew Kenneth Leslie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:36
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/0037; G03B; G03B21/00; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2350796A Cited
US2374981A Cited
US2949361A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-03 1972-03-04 1972-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-03 1976-03-04 1976-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-03 1980-03-04 1980-09-03 $7700.00 Window Closed / Lapsed

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