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US3391342A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Janus Control Corp
•
Filing: 1965-11-22
•
Granted: 1968-07-02
•
Expires: 1985-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Bernard M Gordon
  • 👤 Robert B Craven
  • 👤 Ahlgren David

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:33
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/50; H03K23/502; H03K23/56

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2970759A Cited
US3277380A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-07-02 1972-01-01 1972-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-07-02 1976-01-01 1976-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-07-02 1980-01-01 1980-07-02 $7700.00 Window Closed / Lapsed

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