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US708128A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for the continuous manufacture of spiral springs or coils.

Assignee: Individual
•
Filing: 1901-10-16
•
Granted: 1902-09-02
•
Expires: 1921-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred R Cole
  • 👤 Patrick J Donnelly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:53
CPC Classifications
B; B21; B21F; B21F3/00; B21F3/02; B21F3/04; B21C; B21C37/00; B21C37/06; B21C37/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1905-09-01 1906-03-03 1906-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1909-09-01 1910-03-03 1910-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1913-09-01 1914-03-03 1914-09-02 $7700.00 Window Closed / Lapsed

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