← Back to Patent Explorer
US2522993A Expired / Lapsed US ⏱️ 0.0 years remaining

Seal for driers

Assignee: GEN AMERICAN TRANPORATION CORP
•
Filing: 1947-12-12
•
Granted: 1950-09-19
•
Expires: 1967-12-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Coffey Ursula

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:41
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54; F26; F26B; F26B11/00; F26B11/02; F26B11/024; Y; Y10; Y10S; Y10S277/00; Y10S277/903

Claims Analysis

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

References Cited (Backward Citations)

US2063368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-09-18 1954-03-20 1954-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-09-18 1958-03-20 1958-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-09-18 1962-03-20 1962-09-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag