← Back to Patent Explorer
US2865333A Expired / Lapsed US ⏱️ 0.0 years remaining

Writing implements

Assignee: PAPER MATE OF PUERTO RICO Inc
•
Filing: 1954-10-20
•
Granted: 1958-12-23
•
Expires: 1974-10-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hechtle Emil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:40
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/02; B43K24/08

Claims Analysis

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

References Cited (Backward Citations)

US2505267A Cited
GB635144A Cited
US2587935A Cited
US2624314A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-22 1962-06-23 1962-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-22 1966-06-23 1966-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-22 1970-06-23 1970-12-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag