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US2508566A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: DIAMOND MATCH Co
•
Filing: 1946-06-10
•
Granted: 1950-05-23
•
Expires: 1966-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Frank E Dunton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:33
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/12; B65H19/126; B65H16/00; B65H16/02; B65H16/021; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; B65H2301/41734; B65H2301/418; B65H2301/4185

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1806879A Cited
US1449093A Cited
US1655226A Cited
US1694515A Cited
US1872045A Cited
US2262118A Cited
US2288621A Cited
US2301674A Cited
US2210531A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-05-22 1953-11-21 1954-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-05-22 1957-11-21 1958-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-05-22 1961-11-21 1962-05-23 $7700.00 Window Closed / Lapsed

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