US3112222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision electrical resistors
Assignee: ACTON LAB Inc
•
Filing: 1960-09-12
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Granted: 1963-11-26
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Robert G Alger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:13
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/006; C; C23; C23C; C23C26/00; H01B; H01B1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PRECISION ELECTRICAL RESISTOR ELEMENT COMPRISING A RIGID ELECTRICALLY NON-CONDUCTIVE SUBSTRATE, AN ELECTRICALLY RESISTIVE METALLIC FILM DEPOSITED ON SAID SUBSTRATE, AND A PROTECTIVE COATING OF TITANIUM OXIDE FULLY OVERLYING SAID FILM, SAID COATING HAVING A COMPOSITION IN THE RANGE OF TIO1.6 TO TIO1.9.
Claim 2
Dependent Claim
43 words
A PRECISION ELECTRICAL RESISTOR ELEMENT COMPRISING A RIGID ELECTRICALLY NON-CONDUCTIVE SUBSTRATE, AN ELECTRICALLY RESISTIVE METALLIC FILM DEPOSITED ON SAID SUBSTRATE, AND A PROTECTIVE COATING OF TITANIUM OXIDE FULLY OVERLYING SAID FILM, SAID COATING HAVING A COMPOSITION IN THE RANGE OF TIO1.6 TO TIO1.9.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |