Patent US3835944A successfully refreshed from Google Patents.
Patent JPS51111299A successfully refreshed from Google Patents.
Patent US2687196A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2687196A Expired / Lapsed US ⏱️ 0.0 years remaining

Clutch and brake operating mechanism

Assignee: Universal Railway Devices Co
•
Filing: 1949-08-20
•
Granted: 1954-08-24
•
Expires: 1969-08-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Percy B Camp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 09:15
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; B61H13/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492

Claims Analysis

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

References Cited (Backward Citations)

US1154508A Cited
US1865631A Cited
US1858490A Cited
US2416251A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-08-23 1958-02-22 1958-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-08-23 1962-02-22 1962-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-08-23 1966-02-22 1966-08-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag