US3179535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding an electrode to a ceramic body and article
Assignee: Sprague Electric Co
•
Filing: 1960-11-04
•
Granted: 1965-04-20
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Comtois Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:49
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/14; H01B1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF BONDING AN ELECTRODE TO A CERAMIC BODY WHICH COMPRISES APPLYING A MIXTURE CONSISTING OF APPROXIMATELY 7-10 PARTS BY WEIGHT OF SMALL PARTICLES OF AN ELECTRODE MATERIAL, ABOUT 1 PART BY WEIGHT OF A BONDING FIT: AND ABOUT 5-10 PARTS BY WEIGHT OF A WAX, HEATING SAID MIXTURE AT A TEMPERATURE UP TO 350*F. TO REMOVE THE WAX FROM THE OTHER PARTS, SUBSEQUENTLY HEATING THE RESIDUE AT A TEMPERATURE IN THE RANGE OF 1500* TO 1800*F. TO FORM AN ELECTRODE BONDED TO THE CERAMIC BODY SO AS TO RESIST SEPARATION BY A 90* PULL OF AT LEAST ONE-HALF A POUND.
Claim 2
Independent Claim
102 words
THE METHOD OF BONDING AN ELECTRODE TO A CERAMIC BODY WHICH COMPRISES APPLYING A MIXTURE CONSISTING OF APPROXIMATELY 7-10 PARTS BY WEIGHT OF SMALL PARTICLES OF AN ELECTRODE MATERIAL, ABOUT 1 PART BY WEIGHT OF A BONDING FIT: AND ABOUT 5-10 PARTS BY WEIGHT OF A WAX, HEATING SAID MIXTURE AT A TEMPERATURE UP TO 350*F. TO REMOVE THE WAX FROM THE OTHER PARTS, SUBSEQUENTLY HEATING THE RESIDUE AT A TEMPERATURE IN THE RANGE OF 1500* TO 1800*F. TO FORM AN ELECTRODE BONDED TO THE CERAMIC BODY SO AS TO RESIST SEPARATION BY A 90* PULL OF AT LEAST ONE-HALF A POUND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |