← Back to Patent Explorer
US2564556A Expired / Lapsed US ⏱️ 0.0 years remaining

Line delay in facsimile

Assignee: RCA Corp
•
Filing: 1948-02-26
•
Granted: 1951-08-14
•
Expires: 1968-02-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Artzt Maurice

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:34
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00103; H04B; H04B3/00; H04B3/02; H04B3/04

Claims Analysis

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

References Cited (Backward Citations)

US1491357A Cited
US1681252A Cited
US1671302A Cited
US1749045A Cited
US1769920A Cited
US2029395A Cited
US1910254A Cited
US1905714A Cited
US2105318A Cited
US2185806A Cited
US2226728A Cited
US2446635A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-13 1955-02-12 1955-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-13 1959-02-12 1959-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-13 1963-02-12 1963-08-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag