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US2573499A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable sewing machine

Assignee: Individual
•
Filing: 1947-12-12
•
Granted: 1951-10-30
•
Expires: 1967-12-12
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Abstract

No abstract record available.

Inventors

  • 👤 Scott Harry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:59
CPC Classifications
D; D05; D05B; D05B73/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US9221A Cited
US1018653A Cited
US1472588A Cited
US1402597A Cited
US2176957A Cited
US2426636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-10-29 1955-04-30 1955-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-10-29 1959-04-30 1959-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-10-29 1963-04-30 1963-10-30 $7700.00 Window Closed / Lapsed

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