← Back to Patent Explorer
US3194183A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle hatch cover

Assignee: Union Tank Car Co
•
Filing: 1962-10-24
•
Granted: 1965-07-13
•
Expires: 1982-10-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Frederick W Schwartz
  • 👤 Earl A Phillips

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:39
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/18; B; B61; B61D; B61D39/00

Claims Analysis

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

References Cited (Backward Citations)

US886472A Cited
US975861A Cited
US974471A Cited
US1166052A Cited
US1594863A Cited
US1847132A Cited
US2051984A Cited
US2281498A Cited
US2447559A Cited
US2587027A Cited
US2851964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-12 1969-01-11 1969-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-12 1973-01-11 1973-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-12 1977-01-11 1977-07-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag