← Back to Patent Explorer
US2567330A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring construction

Assignee: Individual
•
Filing: 1945-10-17
•
Granted: 1951-09-11
•
Expires: 1965-10-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George E Gagnier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:36
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/045; A47C27/0453; A47C23/00; A47C23/12; A47C23/16; A47C27/06; A47C27/07

Claims Analysis

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

References Cited (Backward Citations)

US1053675A Cited
US1206073A Cited
GB341739A Cited
US2008158A Cited
US2133762A Cited
US2281341A Cited
US2221507A Cited
US2247543A Cited
US2371954A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-10 1955-03-12 1955-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-10 1959-03-12 1959-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-10 1963-03-12 1963-09-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag