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US2913642A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making semi-conductor devices

Assignee: RCA Corp
•
Filing: 1953-05-28
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Granted: 1959-11-17
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Expires: 1973-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Dietrich A Jenny

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:31
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W72/00; H10W72/20; H10W72/071; H10W72/075; H10W72/07551; H10W72/07554

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US799542A Cited
US1551764A Cited
US1949383A Cited
US1827872A Cited
US2309081A Cited
CH262107A Cited
GB646063A Cited
US2754455A Cited
US2778980A Cited
US2777974A Cited
US2777101A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-16 1963-05-18 1963-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-16 1967-05-18 1967-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-16 1971-05-18 1971-11-17 $7700.00 Window Closed / Lapsed

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