Patent US3456291A successfully refreshed from Google Patents.
US3456291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and arrangement for shaping objects from ceramic raw material
Assignee: Czech Academy of Sciences
•
Filing: 1966-10-13
•
Granted: 1969-07-22
•
Expires: 1986-10-13
Abstract
No abstract record available.
Inventors
- 👤 Oldrich Balcar
- 👤 Hradec Kralove
- 👤 Karel Vavrina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:19
CPC Classifications
B; B28; B28B; B28B3/00; B28B1/00; B28B11/00; B28B11/003; B28B11/008; B28B3/006; Y; Y10; Y10S; Y10S425/00; Y10S425/028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2559227A
Cited
US3208254A
Cited
US3222902A
Cited
US3167043A
Cited
US3267710A
Cited
US3225578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |