US3285873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moulding ceramic composition
Assignee: Doulton and Co Ltd
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Filing: 1965-09-30
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Granted: 1966-11-15
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bailey Desmond Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:03
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; C04B35/00; C04B35/515; C04B35/58; C04B35/584; C04B35/591
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A MOULDABLE MATERIAL CONTANING A CERAMIC COMPOSITION IN PARTICLE FORM MIXED WITH A BINDER; SAID BINDER COMPRISING A POLYETHYLENE GLYCOL AND AT LAST ONE POLYOLEFIN, WITH THE VOLUME OF SAID BINDER BEING AT LEAST 102% OF THE CERAMIC MATERIAL VOID VOLUME AT MOULDING TEMPERATURES.
Claim 2
Dependent Claim
44 words
A MOULDABLE MATERIAL CONTANING A CERAMIC COMPOSITION IN PARTICLE FORM MIXED WITH A BINDER; SAID BINDER COMPRISING A POLYETHYLENE GLYCOL AND AT LAST ONE POLYOLEFIN, WITH THE VOLUME OF SAID BINDER BEING AT LEAST 102% OF THE CERAMIC MATERIAL VOID VOLUME AT MOULDING TEMPERATURES.
Claim 3
Independent Claim
69 words
A METHOD OF MOULDING CERAMIC ARTICLES WHICH COMPRISES SHAPING A BODY FROM MOULDABLE MATERIAL CONTAINING A CERAMIC COMPOSITION IN PARTICLE FROM MIXED WITH A BINDER; SAID BINDER COMPRISING A POLYETHYLENE GLYCOL AND AT LEAST ONE POLYOLEFIN, WITH THE VOLUME OF BINDER BEING AT LEAST 102% OF THE CERAMIC MATERIAL VOID VOLUME AT MOULDING TEMPERATURE, AND HEATING THE SHAPED BODY TO FIRE THE CERAMIC COMPOSITION AND DRIVE OFF THE BINDER.
Claim 4
Independent Claim
69 words
A METHOD OF MOULDING CERAMIC ARTICLES WHICH COMPRISES SHAPING A BODY FROM MOULDABLE MATERIAL CONTAINING A CERAMIC COMPOSITION IN PARTICLE FROM MIXED WITH A BINDER; SAID BINDER COMPRISING A POLYETHYLENE GLYCOL AND AT LEAST ONE POLYOLEFIN, WITH THE VOLUME OF BINDER BEING AT LEAST 102% OF THE CERAMIC MATERIAL VOID VOLUME AT MOULDING TEMPERATURE, AND HEATING THE SHAPED BODY TO FIRE THE CERAMIC COMPOSITION AND DRIVE OFF THE BINDER.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |