← Back to Patent Explorer
US2728414A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine spindle lubrication

Assignee: Devlieg Bullard Inc
•
Filing: 1953-11-03
•
Granted: 1955-12-27
•
Expires: 1973-11-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Alfred E Drissner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:01
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/121; B23Q11/123; F; F16; F16N; F16N7/00; F16N7/36; F16N13/00; F16N13/20; F16N2013/205; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129

Claims Analysis

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

References Cited (Backward Citations)

US1934278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-12-26 1959-06-27 1959-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-12-26 1963-06-27 1963-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-12-26 1967-06-27 1967-12-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag