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US3422312A Expired / Lapsed US ⏱️ 0.0 years remaining

Electronic switching devices

Assignee: Philips North America LLC
•
Filing: 1965-09-16
•
Granted: 1969-01-14
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Expires: 1985-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Scato Albarda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:29
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/18; B; B65; B65G; B65G51/00; B65G51/04; B65G51/24; H02; H02P; H02P5/00; H02P5/46; H02P5/50; H03L7/183

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3320546A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-01-14 1972-07-15 1973-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-01-14 1976-07-15 1977-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-01-14 1980-07-15 1981-01-14 $7700.00 Window Closed / Lapsed

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