← Back to Patent Explorer
US2963829A Expired / Lapsed US ⏱️ 0.0 years remaining

Grinding machines

Assignee: Hoern & Dilts Inc
•
Filing: 1955-12-09
•
Granted: 1960-12-13
•
Expires: 1975-12-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Carl H Werth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:00
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/02; B24B49/04; B24B5/00; B24B5/02; B24B5/06

Claims Analysis

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

References Cited (Backward Citations)

USRE16141E Cited
US1051483A Cited
US1705749A Cited
US1684486A Cited
US1770148A Cited
US1817953A Cited
US1884309A Cited
US1926214A Cited
US2004361A Cited
US2013122A Cited
US2070283A Cited
GB469009A Cited
US2631414A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-12-13 1964-06-13 1964-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-12-13 1968-06-13 1968-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-12-13 1972-06-13 1972-12-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag