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
•
Expires: 1982-01-10
Abstract
No abstract record available.
Inventors
- 👤 Franklyn M Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:54
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 |