← Back to Patent Explorer
US2332014A Expired / Lapsed US ⏱️ 0.0 years remaining

Spark plug insulator

Assignee: Motors Liquidation Co
•
Filing: 1938-10-14
•
Granted: 1943-10-19
•
Expires: 1958-10-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Schwartzwalder Karl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:41
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/10; C04B35/16; C04B35/18

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) 1946-10-18 1947-04-19 1947-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-10-18 1951-04-19 1951-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-10-18 1955-04-19 1955-10-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag