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US2841200A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for spreading a coil and twisting the sides thereof

Assignee: JAMES EQUIPMENT Co Inc
•
Filing: 1955-02-04
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Granted: 1958-07-01
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Expires: 1975-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Robert B James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:03
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043; H02K15/0431

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-06-30 1961-12-30 1962-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-06-30 1965-12-30 1966-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-06-30 1969-12-30 1970-07-01 $7700.00 Window Closed / Lapsed

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