← Back to Patent Explorer
US2913234A Expired / Lapsed US ⏱️ 0.0 years remaining

Air line lubricator

Assignee: Boeing North American Inc
•
Filing: 1956-04-26
•
Granted: 1959-11-17
•
Expires: 1976-04-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Clyde F Beaurline

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 18:52
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34

Claims Analysis

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

References Cited (Backward Citations)

US1441277A Cited
US1438926A Cited
US2187241A Cited
US2215699A Cited
US2205559A Cited
US2367721A Cited
US2564938A Cited
US2542701A Cited
US2682393A Cited
US2710672A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-16 1963-05-18 1963-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-16 1967-05-18 1967-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-16 1971-05-18 1971-11-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag