Patent FR946822A successfully refreshed from Google Patents.
Patent US2569226A successfully refreshed from Google Patents.
US2569226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing articles from powdered material
Assignee: Denison Engineering Co
•
Filing: 1946-01-11
•
Granted: 1951-09-25
•
Expires: 1966-01-11
Abstract
No abstract record available.
Inventors
- 👤 Willard K Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:57
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B28; B28B; B28B3/00; B28B3/02; B30B15/00; B30B15/06; B30B15/065; B30B15/32; Y; Y10; Y10S; Y10S425/00; Y10S425/028; Y10S425/131
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
THE METHOD OF FORMING ARTICLES FROM DISINTEGRATED CERAMIC MATERIAL COMPRISING THE STEPS OF PLACING A QUANTITY OF THE MATERIAL IN A MOLD CAVITY; MOVING A DIE INTO PRESSING ENGAGEMENT WITH THE MATERIAL IN THE MOLD CAVITY WITH A YIELDABLE FORCE OF PREDETERMINED MAGNITUDE; MAINTAINING THE DIE IN SUCH PRESSING ENGAGEMENT; AND IMPARTING A SERIES OF MATERIAL-COMPACTING THRUSTS TO THE DIE WITH A POSITIVE FORCE OF GREATER MAGNITUDE THAN THE FIRST FORCE WHILE THE MATERIAL PRESSING ENGAGEMENT OF THE DIE IS BEING YIELDABLY MAINTAINED.
References Cited (Backward Citations)
US1044617A
Cited
US1793435A
Cited
US1605096A
Cited
US1814416A
Cited
US1770303A
Cited
US2036466A
Cited
US2067401A
Cited
US2046750A
Cited
US2150097A
Cited
US2215244A
Cited
US2160805A
Cited
US2367242A
Cited
US2336982A
Cited
US2381272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |