← Back to Patent Explorer
US2813392A Expired / Lapsed US ⏱️ 0.0 years remaining

Machines for wrapping flexible material on cores

Assignee: Alstom Electrical Machine Ltd
•
Filing: 1953-07-01
•
Granted: 1957-11-19
•
Expires: 1973-07-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Woosey Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:48
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/08

Claims Analysis

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

References Cited (Backward Citations)

GB493835A Cited
US2663544A Cited
US2733753A Cited
US673694A Cited
US2174754A Cited
DE701571C Cited
US2271528A Cited
US2388018A Cited
US2479635A Cited
US2657866A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-11-18 1961-05-20 1961-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-11-18 1965-05-20 1965-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-11-18 1969-05-20 1969-11-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag