US3304199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance element
Assignee: CTS Corp
•
Filing: 1963-11-12
•
Granted: 1967-02-14
•
Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Sr William M Faber
- 👤 Gaylord L Francis
- 👤 Curtis L Holmes
- 👤 Otis F Boykin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:41
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/14; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C8/02; C03C8/10; H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06533; H01C17/0654; H01C7/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION ADAPTED TO BE APPLIED ONTO A HIGHTEMPERATURE-RESISTANT, ELECTRICALLY NONCONDUCTIVE SUBSTRATE AND FIRED TO FORM AN ELECTRICAL RESISTANCE ELEMENT COMPRISING 2-70 PERCENT BY WEIGHT OF A FINELY DIVIDED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF RU/2 AND IRO2, AND 98-30 PERCENT BY WEIGHT POWDERED GLASS FRIT.
Claim 2
Dependent Claim
48 words
A COMPOSITION ADAPTED TO BE APPLIED ONTO A HIGHTEMPERATURE-RESISTANT, ELECTRICALLY NONCONDUCTIVE SUBSTRATE AND FIRED TO FORM AN ELECTRICAL RESISTANCE ELEMENT COMPRISING 2-70 PERCENT BY WEIGHT OF A FINELY DIVIDED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF RU/2 AND IRO2, AND 98-30 PERCENT BY WEIGHT POWDERED GLASS FRIT.
References Cited (Backward Citations)
US3149002A
Cited
US3052573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |