US2857664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated non-metallic refractory bodies, composition for coating such bodies, and method for bonding such bodies by means of said composition
Assignee: Frenchtown Porcelain Co
•
Filing: 1954-08-09
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Granted: 1958-10-28
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Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Luks
- 👤 Powell John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:29
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63404; C04B35/63424; C04B35/636; C04B35/6365; C04B37/00; C04B37/003; C04B37/006; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/50; C04B41/51; C04B41/5144; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/60; C04B2235/604; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/123; C04B2237/124; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/36; C04B2237/363; C04B2237/365; C04B2237/40; C04B2237/50; C04B2237/52; C04B2237/64; C04B2237/70; C04B2237/704; C04B2237/72; C04B2237/86; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/937; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 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 BASE CONSISTING ESSENTIALLY OF FROM ABOUT 5% TO ABOUT 30% BY WEIGHT OF A POWDERED REFRACTORY METAL SELECTED FROM THE GROUP CONSISTING OG MOLYBDENUM AND TUNGSTEN, FROM ABOUT 40% TO ABOUT 85% BY WEIGHT OF A POWDERED HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, AND IRON, A POWDERED MANGANESE CONSTITUENT IN A PROPORTION, CALCULATED AS ELEMENTAL MANGANESE, NOT EXCEEDING ABOUT 35% BY WEIGHT, AND FROM ABOUT 5% TO ABOUT 30% POWDERED GLASS; IN COMBINATION WITH A VEHICLE, FIRING SAID COATED NON-METALLIC, REFRACTORY BODY AT A TEMPERATURE BETWEEN ABOUT 1500*F. AND ABOUT 2300*F. IN A REDUCING ATMOSPHERE TO FUSE SAID GLASS AND FORMM A TIGHTLY ADHERING COATING AND SOLDERING SAID METALLIC BODY TO SAID COATED BODY.
Claim 2
Independent Claim
147 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 BASE CONSISTING ESSENTIALLY OF FROM ABOUT 5% TO ABOUT 30% BY WEIGHT OF A POWDERED REFRACTORY METAL SELECTED FROM THE GROUP CONSISTING OG MOLYBDENUM AND TUNGSTEN, FROM ABOUT 40% TO ABOUT 85% BY WEIGHT OF A POWDERED HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, AND IRON, A POWDERED MANGANESE CONSTITUENT IN A PROPORTION, CALCULATED AS ELEMENTAL MANGANESE, NOT EXCEEDING ABOUT 35% BY WEIGHT, AND FROM ABOUT 5% TO ABOUT 30% POWDERED GLASS; IN COMBINATION WITH A VEHICLE, FIRING SAID COATED NON-METALLIC, REFRACTORY BODY AT A TEMPERATURE BETWEEN ABOUT 1500*F. AND ABOUT 2300*F. IN A REDUCING ATMOSPHERE TO FUSE SAID GLASS AND FORMM A TIGHTLY ADHERING COATING AND SOLDERING SAID METALLIC BODY TO SAID COATED BODY.
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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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |