US2755532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for crushing ceramic powders
Assignee: A Valuy SA D Ets
•
Filing: 1952-09-10
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Granted: 1956-07-24
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Moderne-Marseill Le Ceramique
- 👤 Pallier Pierre Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; B; B02; B02C; B02C1/00; B02C1/14; B28; B28B; B28B1/00; B28B1/04; B28B7/00; B28B7/40; B28B7/44; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A DEVICE FOR CRUSHING CERAMIC PASTE BY SUBJECTING IT TO RAPID POUNDING WHICH COMPRISES A POUNDING HAMMER, MEANS FOR IMPARTING TO SAID HAMMER A HIGH SPEED RECIPROCATING MOTION DURING WHICH IT IS ALTERNATIVELY RAISED MECHANICALLY AND ALLOWED TO FALL BY GRAVITY A MOULD FOR CONTAINING THE CERAMIC PASTE TO BE CRUSHED, AND A VACUUMTIGHT ENCLOSURE ENTIRELY ENCLOSING SAID POUNDING HAMMER, SAID MEANS AND SAID MOULD.
Claim 2
Independent Claim
65 words
A DEVICE FOR CRUSHING CERAMIC PASTE BY SUBJECTING IT TO RAPID POUNDING WHICH COMPRISES A POUNDING HAMMER, MEANS FOR IMPARTING TO SAID HAMMER A HIGH SPEED RECIPROCATING MOTION DURING WHICH IT IS ALTERNATIVELY RAISED MECHANICALLY AND ALLOWED TO FALL BY GRAVITY A MOULD FOR CONTAINING THE CERAMIC PASTE TO BE CRUSHED, AND A VACUUMTIGHT ENCLOSURE ENTIRELY ENCLOSING SAID POUNDING HAMMER, SAID MEANS AND SAID MOULD.
References Cited (Backward Citations)
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US1765804A
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US2446061A
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GB649160A
Cited
US2586148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |