← Back to Patent Explorer
US2774260A Expired / Lapsed US ⏱️ 0.0 years remaining

Horizontal boring machine with columnar guides

Assignee: Scharmann GmbH and Co
•
Filing: 1954-02-16
•
Granted: 1956-12-18
•
Expires: 1974-02-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Schraub Willi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:16
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/001; B23Q11/0017; B23Q1/00; B23Q1/01; B23Q1/015; B23Q11/08; B23Q11/0816; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5647; Y10T408/91; Y10T408/92; Y10T408/96; Y10T408/98

Claims Analysis

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

References Cited (Backward Citations)

US240458A Cited
US504031A Cited
US683417A Cited
US1646892A Cited
US1981682A Cited
US2370384A Cited
US2529753A Cited
US2564068A Cited
US2640376A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-18 1960-06-18 1960-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-18 1964-06-18 1964-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-18 1968-06-18 1968-12-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag