← Back to Patent Explorer
US914816A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of preparing molds for electrotypes.

Assignee: Individual
•
Filing: 1908-10-30
•
Granted: 1909-03-09
•
Expires: 1928-10-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George E Dunton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:25
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/10; B28; B28B; B28B11/00; B28B11/08; B28B11/0818

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1912-03-08 1912-09-07 1913-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1916-03-08 1916-09-07 1917-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1920-03-08 1920-09-07 1921-03-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag