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US2842268A Expired / Lapsed US ⏱️ 0.0 years remaining

Chart-holding means

Assignee: Individual
•
Filing: 1953-12-04
•
Granted: 1958-07-08
•
Expires: 1973-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Alice C Gumplo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:13
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US516347A Cited
US527809A Cited
DE506228C Cited
US843220A Cited
US1248710A Cited
US1912864A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-07-07 1962-01-06 1962-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-07-07 1966-01-06 1966-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-07-07 1970-01-06 1970-07-08 $7700.00 Window Closed / Lapsed

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