Patent US2567642A successfully refreshed from Google Patents.
US2987416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming ceramic surface layers
Assignee: Individual
•
Filing: 1956-07-23
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Granted: 1961-06-06
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Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Wessel Hubertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:50
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B28/00; C04B28/24; C04B28/26; C04B41/45; C04B41/52; C04B41/60; C04B41/61; C04B41/70; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A METHOD OF FORMING ON A SUPPORT A CERAMIC SURFACE LAYER, COMPRISING, IN COMBINATION, THE STEPS OF APPLYING TO THE SURFACE OF SAID SUPPORT AT LEAST ONE INTERMEDIATE LAYER ADAPTED TO HARDEN UPON STANDING AT AMBIENT TEMPERATURE AND COMPRISING A FIRST CERAMIC-FORMING MATERIAL CONTAINING AT LEAST ONE PREBURNED CERAMIC MATERIAL THEREBY ADHERING SAID INTERMEDIATE LAYER TO SAID SURFACE OF SAID SUPPORT, ALLOWING SAID INTERMEDIATE LAYER TO HARDEN, APPLYING TO THE OUTER FACE OF SAID INTERMEDIATE LAYER AN OUTER LAYER OF A SECOND CERAMIC-FORMING MATERIAL ADAPTED TO BE AT LEAST SINTERED BY HEATING, AND HEATING SAID OUTER LAYER SO AS TO AT LEAST SINTER THE SAME, HOWEVER, SUBSTANTIALLY WITHOUT CAUSING LIQUEFACTION OF SAID INTERMEDIATE LAYER, WHEREBY SAID OUTER LAYER IS FIRMLY ADHERED TO SAID INTERMEDIATE LAYER AND SIMULTANEOUSLY A CERAMIC SURFACE IS FORMED ON SAID SUPPORT.
Claim 2
Independent Claim
135 words
A METHOD OF FORMING ON A SUPPORT A CERAMIC SURFACE LAYER, COMPRISING, IN COMBINATION, THE STEPS OF APPLYING TO THE SURFACE OF SAID SUPPORT AT LEAST ONE INTERMEDIATE LAYER ADAPTED TO HARDEN UPON STANDING AT AMBIENT TEMPERATURE AND COMPRISING A FIRST CERAMIC-FORMING MATERIAL CONTAINING AT LEAST ONE PREBURNED CERAMIC MATERIAL THEREBY ADHERING SAID INTERMEDIATE LAYER TO SAID SURFACE OF SAID SUPPORT, ALLOWING SAID INTERMEDIATE LAYER TO HARDEN, APPLYING TO THE OUTER FACE OF SAID INTERMEDIATE LAYER AN OUTER LAYER OF A SECOND CERAMIC-FORMING MATERIAL ADAPTED TO BE AT LEAST SINTERED BY HEATING, AND HEATING SAID OUTER LAYER SO AS TO AT LEAST SINTER THE SAME, HOWEVER, SUBSTANTIALLY WITHOUT CAUSING LIQUEFACTION OF SAID INTERMEDIATE LAYER, WHEREBY SAID OUTER LAYER IS FIRMLY ADHERED TO SAID INTERMEDIATE LAYER AND SIMULTANEOUSLY A CERAMIC SURFACE IS FORMED ON SAID SUPPORT.
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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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |