Patent US1789727A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1789727A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring shackle

Assignee: Inland Manufacturing Co
•
Filing: 1927-09-09
•
Granted: 1931-01-20
•
Expires: 1947-09-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ralph H Chilton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:03
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/08; F16F3/087; F16F3/093; B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G11/42; F16F1/00; F16F1/36; F16F1/371; F16F2236/00; F16F2236/12

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1934-01-19 1934-07-21 1935-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-01-19 1938-07-21 1939-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-01-19 1942-07-21 1943-01-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag