← Back to Patent Explorer
US3003181A Expired / Lapsed US ⏱️ 0.0 years remaining

Marking device with snap-on head assembly

Assignee: SPEEDRY CHEMICAL PRODUCTS Inc
•
Filing: 1959-07-29
•
Granted: 1961-10-10
•
Expires: 1979-07-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Sidney N Rosenthal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:51
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; B43K8/024

Claims Analysis

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

References Cited (Backward Citations)

US2640216A Cited
US2547541A Cited
US2820233A Cited
US2823403A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-09 1965-04-10 1965-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-09 1969-04-10 1969-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-09 1973-04-10 1973-10-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag