Patent US2973087A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2973087A Expired / Lapsed US ⏱️ 0.0 years remaining

Easy opening blister pack

Assignee: Individual
•
Filing: 1958-06-23
•
Granted: 1961-02-28
•
Expires: 1978-06-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Howard A Rohdin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:20
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/325; B65D75/326; B65D2575/00; B65D2575/28; B65D2575/30; B65D2575/32; B65D2575/3209; B65D2575/3218; B65D2575/3227

Claims Analysis

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

References Cited (Backward Citations)

US651692A Cited
US2736656A Cited
US2721550A Cited
US2760630A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-02-28 1964-08-29 1965-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-02-28 1968-08-29 1969-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-02-28 1972-08-29 1973-02-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag