← Back to Patent Explorer
US3301609A Expired / Lapsed US ⏱️ 0.0 years remaining

Oilless antifriction device

Assignee: Fabreeka International Holdings Inc
•
Filing: 1963-12-23
•
Granted: 1967-01-31
•
Expires: 1983-12-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald H Palfreyman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:07
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/02; E; E01; E01D; E01D19/00; E01D19/04; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; F16C2350/00

Claims Analysis

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

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-30 1970-08-01 1971-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-30 1974-08-01 1975-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-30 1978-08-01 1979-01-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag