← Back to Patent Explorer
US3070262A Expired / Lapsed US ⏱️ 0.0 years remaining

Grain auger hopper

Assignee: Individual
•
Filing: 1959-05-18
•
Granted: 1962-12-25
•
Expires: 1979-05-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edwin O Bottolfson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:53
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16

Claims Analysis

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

References Cited (Backward Citations)

US170056A Cited
US412689A Cited
US624757A Cited
US1230700A Cited
US1531440A Cited
CH141180A Cited
US1819912A Cited
AT141741B Cited
US2105225A Cited
US2337010A Cited
US2370799A Cited
US2425681A Cited
US2390286A Cited
US2785825A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-24 1966-06-25 1966-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-24 1970-06-25 1970-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-24 1974-06-25 1974-12-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag