← Back to Patent Explorer
US2893255A Expired / Lapsed US ⏱️ 0.0 years remaining

Chain or belt tensioning devices

Assignee: PERRY CHAIN Co Ltd
•
Filing: 1957-05-09
•
Granted: 1959-07-07
•
Expires: 1977-05-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Bayliss Cecil Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:24
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/0848; F16H2007/0802; F16H2007/0806; F16H2007/0812; F16H2007/0863; F16H2007/0872; F16H2007/0889; F16H2007/0891

Claims Analysis

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

References Cited (Backward Citations)

GB336737A Cited
DE849938C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-07-06 1963-01-05 1963-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-07-06 1967-01-05 1967-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-07-06 1971-01-05 1971-07-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag