← Back to Patent Explorer
US2966814A Expired / Lapsed US ⏱️ 0.0 years remaining

Drilling machine

Assignee: Mueller Co
•
Filing: 1956-11-15
•
Granted: 1961-01-03
•
Expires: 1976-11-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frank H Mueller
  • 👤 John J Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 07:40
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6793; Y10T408/94; Y10T408/95

Claims Analysis

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

References Cited (Backward Citations)

US1280813A Cited
FR640646A Cited
US1854116A Cited
US2291979A Cited
US2499739A Cited
US2601434A Cited
US2657604A Cited
US2701977A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-03 1964-07-04 1965-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-03 1968-07-04 1969-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-03 1972-07-04 1973-01-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag