Patent US6246993B1 successfully refreshed from Google Patents.
US2848802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soft soldering to nonmetallic refractory bodies
Assignee: Frenchtown Porcelain Co
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Filing: 1955-05-06
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Granted: 1958-08-26
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Luks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; C04B35/634; C04B35/63404; C04B35/63424; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6582; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/12; C04B2237/123; C04B2237/125; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/36; C04B2237/363; C04B2237/365; C04B2237/50; C04B2237/52; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF JOINING A METALLIC BODY TO A NONMETALLIC REFRACTORY BODY WHICH COMPRISES COATING SAID NON-METALLIC REFRACTORY BODY WITH A COMPOSITION CONSISTING ESSENTIALLY OF A METALLIC GLASS BASE, SAID BSE CONSISTING ESSENTIALLY BETWEEN ABOUT 60% TO ABOUT 94.5% BY WEIGHT OF A POWDERED HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT AND IRON, BETWEEN ABOUT 0.5% AND ABOUT 30% BY WEIGHT, CALCULATED AS MNO2, OF A POWDERED MANGANESE CONSTITUENT AND BETWEEN ABOUT 5% AND ABOUT 30% BY WEIGHT POWDERED GLASS, IN COMBINATION WITH A VEHICLE, FIRING SIAD COATED NON-METALLIC REFRACTORY BODY AT A TEMPERATURE BETWEEN ABOUT 1300*F. AND ABOUT 2100*F. IN A REDUCING ATMOSPHERE AND SOLDERING SAID METALLIC BODY DIRECTLY TO SAID COATED BODY WITHS SOFT SOLDER.
Claim 2
Independent Claim
120 words
A METHOD OF JOINING A METALLIC BODY TO A NONMETALLIC REFRACTORY BODY WHICH COMPRISES COATING SAID NON-METALLIC REFRACTORY BODY WITH A COMPOSITION CONSISTING ESSENTIALLY OF A METALLIC GLASS BASE, SAID BSE CONSISTING ESSENTIALLY BETWEEN ABOUT 60% TO ABOUT 94.5% BY WEIGHT OF A POWDERED HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT AND IRON, BETWEEN ABOUT 0.5% AND ABOUT 30% BY WEIGHT, CALCULATED AS MNO2, OF A POWDERED MANGANESE CONSTITUENT AND BETWEEN ABOUT 5% AND ABOUT 30% BY WEIGHT POWDERED GLASS, IN COMBINATION WITH A VEHICLE, FIRING SIAD COATED NON-METALLIC REFRACTORY BODY AT A TEMPERATURE BETWEEN ABOUT 1300*F. AND ABOUT 2100*F. IN A REDUCING ATMOSPHERE AND SOLDERING SAID METALLIC BODY DIRECTLY TO SAID COATED BODY WITHS SOFT SOLDER.
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) | 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 |