← Back to Patent Explorer
US2895110A Expired / Lapsed US ⏱️ 0.0 years remaining

High frequency apparatus

Assignee: Varian Medical Systems Inc
•
Filing: 1956-08-16
•
Granted: 1959-07-14
•
Expires: 1976-08-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard B Nelson
  • 👤 Robert S Symons

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:10
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/08; H01J; H01J23/00; H01J23/36; H01J23/40; H01J23/46

Claims Analysis

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

References Cited (Backward Citations)

US2504494A Cited
US2373233A Cited
US2404279A Cited
US2437482A Cited
US2540012A Cited
US2508576A Cited
US2782339A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-07-13 1963-01-12 1963-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-07-13 1967-01-12 1967-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-07-13 1971-01-12 1971-07-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag