← Back to Patent Explorer
US2977661A Expired / Lapsed US ⏱️ 0.0 years remaining

Yarn elasticizing apparatus

Assignee: Deering Milliken Research Corp
•
Filing: 1955-11-18
•
Granted: 1961-04-04
•
Expires: 1975-11-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cyril G Evans
  • 👤 Albert D Harmon
  • 👤 Norman E Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:18
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/10

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1330534A Cited
US2336384A Cited
US2377810A Cited
US2394165A Cited
US2423182A Cited
US2550893A Cited
US2596128A Cited
US2668564A Cited
US2875502A Cited
FR1124622A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-04-03 1964-10-03 1965-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-04-03 1968-10-03 1969-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-04-03 1972-10-03 1973-04-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag