← Back to Patent Explorer
US2999127A Expired / Lapsed US ⏱️ 0.0 years remaining

Amplitude selective amplifying system

Assignee: Lanteris Space LLC
•
Filing: 1957-10-14
•
Granted: 1961-09-05
•
Expires: 1977-10-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph F Fisher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 16:54
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N9/00; H04N9/64; H04N9/68; H04N9/69

Claims Analysis

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

References Cited (Backward Citations)

US2692299A Cited
US2724738A Cited
US2743313A Cited
US2717931A Cited
US2898457A Cited
US2910531A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-04 1965-03-06 1965-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-04 1969-03-06 1969-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-04 1973-03-06 1973-09-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag