← Back to Patent Explorer
US3418250A Expired / Lapsed US ⏱️ 0.0 years remaining

Microcapsules, process for their formation and transfer sheet record material coated therewith

Assignee: US Plywood Champion Papers Inc
•
Filing: 1965-10-23
•
Granted: 1968-12-24
•
Expires: 1985-10-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Anthony E Vassiliades

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:52
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985

Claims Analysis

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

References Cited (Backward Citations)

US3016308A Cited
US3043782A Cited
US3265629A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-24 1972-06-24 1972-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-24 1976-06-24 1976-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-24 1980-06-24 1980-12-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag