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US2677012A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and method for recording television programs

Assignee: Individual
•
Filing: 1949-03-23
•
Granted: 1954-04-27
•
Expires: 1969-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Walter H Bach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:19
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US904212A Cited
US1270612A Cited
US1847642A Cited
US2251786A Cited
US2398642A Cited
US2329624A Cited
US2404839A Cited
US2414319A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-04-26 1957-10-26 1958-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-04-26 1961-10-26 1962-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-04-26 1965-10-26 1966-04-27 $7700.00 Window Closed / Lapsed

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