← Back to Patent Explorer
US2902175A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary file cabinet

Assignee: ROTO TABLE Co
•
Filing: 1954-10-08
•
Granted: 1959-09-01
•
Expires: 1974-10-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Willie M Shoffner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:20
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/28; A; A47; A47B; A47B49/00; A47B63/00; A47B2063/005

Claims Analysis

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

References Cited (Backward Citations)

US2157400A Cited
US2308629A Cited
US2558596A Cited
US2711741A Cited
US2664206A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-31 1963-03-02 1963-09-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-31 1967-03-02 1967-09-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-31 1971-03-02 1971-09-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag