← Back to Patent Explorer
US3468220A Expired / Lapsed US ⏱️ 0.0 years remaining

Control systems

Assignee: Honeywell Inc
•
Filing: 1967-01-25
•
Granted: 1969-09-23
•
Expires: 1987-01-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jeffrey M Lazar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:25
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2153

Claims Analysis

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

References Cited (Backward Citations)

US3124999A Cited
US3185166A Cited
FR1278781A Cited
US3070295A Cited
US3150686A Cited
US3155825A Cited
US3225780A Cited
US3223101A Cited
US3233522A Cited
US3333596A Cited
US3234934A Cited
US3362633A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-22 1973-03-24 1973-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-22 1977-03-24 1977-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-22 1981-03-24 1981-09-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag