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US2863056A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor devices

Assignee: RCA Corp
•
Filing: 1954-02-01
•
Granted: 1958-12-02
•
Expires: 1974-02-01
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Abstract

No abstract record available.

Inventors

  • 👤 Jacques I Pankove

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:44
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/02; H03B7/06; H10; H10D; H10D99/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2569347A Cited
US2600500A Cited
US2560606A Cited
US2670441A Cited
US2604496A Cited
US2701302A Cited
US2654059A Cited
US2669635A Cited
US2792499A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-01 1962-06-02 1962-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-01 1966-06-02 1966-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-01 1970-06-02 1970-12-02 $7700.00 Window Closed / Lapsed

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