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US2999266A Expired / Lapsed US ⏱️ 0.0 years remaining

Marking devices

Assignee: SPEEDRY CHEMICAL PRODUCTS Inc
•
Filing: 1959-08-19
•
Granted: 1961-09-12
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Expires: 1979-08-19
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney N Rosenthal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:47
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; B43K1/086

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US802484A Cited
US1071964A Cited
US1340028A Cited
US1933893A Cited
US2080778A Cited
US2119646A Cited
US2623227A Cited
DE809069C Cited
US2687543A Cited
US2853728A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-11 1965-03-13 1965-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-11 1969-03-13 1969-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-11 1973-03-13 1973-09-12 $7700.00 Window Closed / Lapsed

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