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US3474432A Expired / Lapsed US ⏱️ 0.0 years remaining

Transducer position detector

Assignee: Unisys Corp
•
Filing: 1966-04-27
•
Granted: 1969-10-21
•
Expires: 1986-04-27
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Abstract

No abstract record available.

Inventors

  • 👤 Ernesto G Sevilla

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:08
CPC Classifications
G; G11; G11B; G11B21/00; G11B21/02; G11B21/10; G11B21/106

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2963555A Cited
US2960568A Cited
US3041415A Cited
US3263031A Cited
US3339192A Cited
US3337693A Cited
US3387295A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-20 1973-04-21 1973-10-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-20 1977-04-21 1977-10-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-20 1981-04-21 1981-10-21 $7700.00 Window Closed / Lapsed

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