← Back to Patent Explorer
US2800868A Expired / Lapsed US ⏱️ 0.0 years remaining

Mine chain breaker

Assignee: TEMPLE VELOCITY EQUIPMENT Inc
•
Filing: 1942-10-30
•
Granted: 1957-07-30
•
Expires: 1962-10-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Temple Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 04:00
CPC Classifications
B; B63; B63G; B63G7/00; B63G7/02; B63G7/04; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/35; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8858; Y10T83/8863

Claims Analysis

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

References Cited (Backward Citations)

DE308571C Cited
GB134069A Cited
US1304549A Cited
US1312405A Cited
US1287674A Cited
US1397911A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-29 1961-01-28 1961-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-29 1965-01-28 1965-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-29 1969-01-28 1969-07-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag