Patent US1925560A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1925560A Expired / Lapsed US ⏱️ 0.0 years remaining

Vitreous enamel composition and methods of making same

Assignee: Tam Ceramics LLC
•
Filing: 1930-03-11
•
Granted: 1933-09-05
•
Expires: 1950-03-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles J Kinzie
  • 👤 John A Plunkett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:49
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C3/00; C03C3/04; C03C3/062; C03C3/076

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) 1936-09-04 1937-03-06 1937-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-09-04 1941-03-06 1941-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-09-04 1945-03-06 1945-09-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag