← Back to Patent Explorer
US3457201A Expired / Lapsed US ⏱️ 0.0 years remaining

Cellular products and method of manufacture

Assignee: Day International Corp
•
Filing: 1965-03-10
•
Granted: 1969-07-22
•
Expires: 1985-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Howard S Smith
  • 👤 Thomas Trogdon
  • 👤 Thomas C Holt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 11:22
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30

Claims Analysis

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

References Cited (Backward Citations)

CA537910A Cited
US2873259A Cited
US3238192A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-21 1973-01-20 1973-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-21 1977-01-20 1977-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-21 1981-01-20 1981-07-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag