← Back to Patent Explorer
US2864931A Expired / Lapsed US ⏱️ 0.0 years remaining

Heating device for use in processing textile yarns

Assignee: Leesona Corp
•
Filing: 1955-04-25
•
Granted: 1958-12-16
•
Expires: 1975-04-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Nicholas J Stoddard
  • 👤 Warren A Seem

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:19
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266; D01; D01D; D01D10/00; D01D10/02; D01D10/04; D01D10/0436; D01D10/0481

Claims Analysis

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

References Cited (Backward Citations)

US923425A Cited
US2089826A Cited
US2152126A Cited
US2145324A Cited
US2204603A Cited
US2520532A Cited
US2617007A Cited
US2622182A Cited
US2688067A Cited
US2803105A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-15 1962-06-16 1962-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-15 1966-06-16 1966-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-15 1970-06-16 1970-12-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag