Patent US2727169A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2727169A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermionic electrode pulse lamp structure

Assignee: General Electric Co
•
Filing: 1950-03-22
•
Granted: 1955-12-13
•
Expires: 1970-03-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edward B Noel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:56
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/84; H01J61/90; H04; H04N; H04N3/00; H04N3/36; H04N3/40; H04N3/405

Claims Analysis

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

References Cited (Backward Citations)

US1634201A Cited
US1879740A Cited
US1986462A Cited
US1932025A Cited
US2046941A Cited
US2087735A Cited
US2104652A Cited
US2177714A Cited
US2229329A Cited
US2241345A Cited
US2238277A Cited
US2367595A Cited
US2460738A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-12-12 1959-06-13 1959-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-12-12 1963-06-13 1963-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-12-12 1967-06-13 1967-12-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag