← Back to Patent Explorer
US3073023A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve seat and guide finishing machine

Assignee: Motors Liquidation Co
•
Filing: 1956-09-04
•
Granted: 1963-01-15
•
Expires: 1976-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jack A Koeppen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:37
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; B23B; B23B29/00; B23B29/03; B23B41/00; B23B41/12; B23D; B23D75/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5147; Y10T29/5178; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3844; Y10T408/55; Y10T408/564; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/306552; Y10T409/306608

Claims Analysis

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

References Cited (Backward Citations)

US511872A Cited
US1594903A Cited
US1799594A Cited
US1940220A Cited
US2027385A Cited
US2131845A Cited
US2190284A Cited
US2896308A Cited
US2813280A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-14 1966-07-16 1967-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-14 1970-07-16 1971-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-14 1974-07-16 1975-01-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag