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US3240625A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor film resistor

Assignee: Airco Inc
•
Filing: 1962-01-10
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Granted: 1966-03-15
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Expires: 1982-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Franklyn M Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:45
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06526; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; C23C14/54; C23C14/541; Y; Y10; Y10S; Y10S148/00; Y10S148/122

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 34 words
A RESISTOR COMPRISING A FILM OF THICKNESS IN THE RANGE BETWEEN 0.1 AND 5.0 MICRONS CONSISTING ESSENTIALLY OF A SEMICONDUCTOR SELECTED FROM THE GROUP OF ELEMENTS CONSISTING OF SILICON AND GERMANIUM, AND MIXTURE THEREOF.
Claim 2
Dependent Claim 34 words
A RESISTOR COMPRISING A FILM OF THICKNESS IN THE RANGE BETWEEN 0.1 AND 5.0 MICRONS CONSISTING ESSENTIALLY OF A SEMICONDUCTOR SELECTED FROM THE GROUP OF ELEMENTS CONSISTING OF SILICON AND GERMANIUM, AND MIXTURE THEREOF.

References Cited (Backward Citations)

CA627175A Cited
DE407111C Cited
US2552626A Cited
US2872327A Cited
DE1043537B Cited
US3015587A Cited
US3063858A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-14 1969-09-13 1970-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-14 1973-09-13 1974-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-14 1977-09-13 1978-03-15 $7700.00 Window Closed / Lapsed

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