Patent US4703209A successfully refreshed from Google Patents.
Patent US2874640A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2976802A Expired / Lapsed US ⏱️ 0.0 years remaining

Record sheet and stencil assembly

Assignee: MULTISTAMP Co
•
Filing: 1958-03-26
•
Granted: 1961-03-28
•
Expires: 1978-03-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jack H Mason

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 08:46
CPC Classifications
B; B41; B41L; B41L1/00; B41L1/20; B41L1/22

Claims Analysis

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

References Cited (Backward Citations)

US1256510A Cited
US1445447A Cited
US2263435A Cited
US2335992A Cited
US2771026A Cited
US2674940A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-03-27 1964-09-26 1965-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-03-27 1968-09-26 1969-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-03-27 1972-09-26 1973-03-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag