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US3132291A Expired / Lapsed US ⏱️ 0.0 years remaining

Sine-cosine motor driven flame cutting apparatus

Assignee: Individual
•
Filing: 1959-06-30
•
Granted: 1964-05-05
•
Expires: 1979-06-30
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Abstract

No abstract record available.

Inventors

  • 👤 Neander Erich
  • 👤 Bechtle Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:56
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2261644A Cited
US2679620A Cited
US2784359A Cited
DE1018967B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-05 1967-11-04 1968-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-05 1971-11-04 1972-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-05 1975-11-04 1976-05-05 $7700.00 Window Closed / Lapsed

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