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US2863407A Expired / Lapsed US ⏱️ 0.0 years remaining

Spiral sewing machine

Assignee: AUTOMATIC DESIGNING CORP
•
Filing: 1950-10-20
•
Granted: 1958-12-09
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Expires: 1970-10-20
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Abstract

No abstract record available.

Inventors

  • 👤 George Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:33
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/10; D05B35/107

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1259324A Cited
US1463116A Cited
DE411849C Cited
US2161141A Cited
US2437624A Cited
US2488095A Cited
US2521085A Cited
US2551261A Cited
US2674963A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-08 1962-06-09 1962-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-08 1966-06-09 1966-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-08 1970-06-09 1970-12-09 $7700.00 Window Closed / Lapsed

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