← Back to Patent Explorer
US2645986A Expired / Lapsed US ⏱️ 0.0 years remaining

Gravel spreader

Assignee: Individual
•
Filing: 1948-07-09
•
Granted: 1953-07-21
•
Expires: 1968-07-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Martin R Rasmussen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:30
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/15; E04; E04D; E04D15/00; E04D15/07

Claims Analysis

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

References Cited (Backward Citations)

DE491495C Cited
DE514829C Cited
US1419537A Cited
US1641703A Cited
US1750104A Cited
US1746410A Cited
US1885319A Cited
GB422128A Cited
GB427105A Cited
US2197878A Cited
US2507294A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-20 1957-01-19 1957-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-20 1961-01-19 1961-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-20 1965-01-19 1965-07-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag