← Back to Patent Explorer
US2542099A Expired / Lapsed US ⏱️ 0.0 years remaining

Boxmaking system

Assignee: Stokes and Smith Co
•
Filing: 1946-01-16
•
Granted: 1951-02-20
•
Expires: 1966-01-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Stokes May Margaret
  • 👤 Jr John S Stokes
  • 👤 Yarnall D Robert
  • 👤 Jr Percy C Madeira
  • 👤 Co Oprovident Trust

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:59
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B2105/00; B31B2105/002; B31B2105/0024; B31B2110/00; B31B2110/30; B31B2110/35; B31B2120/00; B31B2120/50; B31B2120/501

Claims Analysis

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

References Cited (Backward Citations)

US303600A Cited
US722038A Cited
US845205A Cited
US1302236A Cited
US1402259A Cited
US1822054A Cited
US1894547A Cited
US2236664A Cited
US2247672A Cited
US2346792A Cited
US2362168A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-02-19 1954-08-21 1955-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-02-19 1958-08-21 1959-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-02-19 1962-08-21 1963-02-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag