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US3551049A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic method for producing a copy and apparatus for carrying out this method

Assignee: Lumoprint Zindler KG and Co GmbH
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Filing: 1968-08-22
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Granted: 1970-12-29
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Expires: 1988-08-22
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Abstract

No abstract record available.

Inventors

  • 👤 Walter Limberger
  • 👤 Rudolf Wendt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:59
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/04; G03B; G03B27/00; G03B27/02; G03B27/10; G03C1/00; G03C1/494; G03C1/496; G03D; G03D9/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-28 1974-06-29 1974-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-28 1978-06-29 1978-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-28 1982-06-29 1982-12-29 $7700.00 Window Closed / Lapsed

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