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US3202841A Expired / Lapsed US ⏱️ 0.0 years remaining

Switching network

Assignee: Clary Corp
•
Filing: 1963-04-01
•
Granted: 1965-08-24
•
Expires: 1983-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Hans J Kunzke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:17
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2299229A Cited
US2315958A Cited
US2594389A Cited
US2629020A Cited
US3051855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

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