← Back to Patent Explorer
US3035684A Expired / Lapsed US ⏱️ 0.0 years remaining

Blank feeding device for metal working machines

Assignee: Republic Steel Corp
•
Filing: 1958-03-25
•
Granted: 1962-05-22
•
Expires: 1978-03-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Guy O Conner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:36
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/006

Claims Analysis

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

References Cited (Backward Citations)

US2181659A Cited
US2225068A Cited
US2297296A Cited
US2490381A Cited
US2508216A Cited
US2769532A Cited
US2862605A Cited
US2907447A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-21 1965-11-20 1966-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-21 1969-11-20 1970-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-21 1973-11-20 1974-05-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag