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US2563122A Expired / Lapsed US ⏱️ 0.0 years remaining

Life preserver

Assignee: Individual
•
Filing: 1948-10-21
•
Granted: 1951-08-07
•
Expires: 1968-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Levine Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:41
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/11; B63C9/115

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1104382A Cited
GB189500221A Cited
GB189802322A Cited
US1162214A Cited
US1252842A Cited
US1272336A Cited
GB303585A Cited
AU1737628A Cited
US1868210A Cited
US1853386A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-06 1955-02-05 1955-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-06 1959-02-05 1959-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-06 1963-02-05 1963-08-07 $7700.00 Window Closed / Lapsed

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