← Back to Patent Explorer
US3368214A Expired / Lapsed US ⏱️ 0.0 years remaining

Operating shaft indicators for crop harvesting machines

Assignee: SWANSON SPRAY AND Manufacturing Inc
•
Filing: 1965-03-10
•
Granted: 1968-02-06
•
Expires: 1985-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Morton C Swanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:16
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/127; A01D41/1274; G; G01; G01P; G01P3/00; G01P3/42; G01P3/56; G01P3/58

Claims Analysis

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

References Cited (Backward Citations)

US2301115A Cited
US2542638A Cited
US2941120A Cited
US2927302A Cited
US2993147A Cited
US2980369A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-05 1971-08-07 1972-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-05 1975-08-07 1976-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-05 1979-08-07 1980-02-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag