US2849583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistor and method and apparatus for producing resistors
Assignee: Individual
•
Filing: 1952-07-19
•
Granted: 1958-08-26
•
Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Pritikin Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/22; H01C17/23; H01B; H01B1/00; H01C17/06; H01C17/075; H01C17/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A RESISTOR COMPRISING AN UNSULATING BASE, AN OXIDIZABLE METALLIC RESISTANCE FILM ADHERING TO SAID BASE, A PAIR OF TERMINALS ELECTRICALLY CONNECTED TO SPACED POINTS ON SAID RESISTANCE FILM, AND A LAYER OF SILICON MONOXIDE
Claim 2
Dependent Claim
34 words
A RESISTOR COMPRISING AN UNSULATING BASE, AN OXIDIZABLE METALLIC RESISTANCE FILM ADHERING TO SAID BASE, A PAIR OF TERMINALS ELECTRICALLY CONNECTED TO SPACED POINTS ON SAID RESISTANCE FILM, AND A LAYER OF SILICON MONOXIDE
References Cited (Backward Citations)
GB461275A
Cited
FR841327A
Cited
US2297488A
Cited
US2400404A
Cited
GB606894A
Cited
US2621276A
Cited
US2796504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |