Patent US3189971A successfully refreshed from Google Patents.
US3189971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for slip casting hollow ceramic shapes
Assignee: Mansfield Sanitary Inc
•
Filing: 1963-05-06
•
Granted: 1965-06-22
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Fred L Derror
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:18
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/26; B28B1/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A MOVABLE CARRIAGE FOR USE IN A SLIP CASTING SYSTEM COMPRISING A FRAME, VERTICALLY SPACED FIRST AND SECOND SUPPORTING MEANS ON SAID FRAME, AT LEAST ONE OF SAID SUPPORTING MEANS MOVABLE VERTICALLY WITH RESPECT TO SAID SECOND SUPPORTING MEANS, AT LEAST ONE OF SAID SUPPORTING MEANS MOVABLE LATERALLY WITH RESPECT TO THE OTHER SAID SUPPORTING MEANS, A PLURALITY OF MOLDS SUPPORTED ON ONE SAID SUPPORTING MEANS AND A PLURALITY OF COOPERATIVELY INTERFITTING CORES SUPPORTED ON THE OTHER OF SAID SUPPORTING MEANS IN BALANCED PAIRS BY CONNECTING MEANS, RELATIVE LATERAL MOVEMENT BETWEEN SAID SUPPORTING MEANS VERTICALLY
Claim 2
Dependent Claim
95 words
A MOVABLE CARRIAGE FOR USE IN A SLIP CASTING SYSTEM COMPRISING A FRAME, VERTICALLY SPACED FIRST AND SECOND SUPPORTING MEANS ON SAID FRAME, AT LEAST ONE OF SAID SUPPORTING MEANS MOVABLE VERTICALLY WITH RESPECT TO SAID SECOND SUPPORTING MEANS, AT LEAST ONE OF SAID SUPPORTING MEANS MOVABLE LATERALLY WITH RESPECT TO THE OTHER SAID SUPPORTING MEANS, A PLURALITY OF MOLDS SUPPORTED ON ONE SAID SUPPORTING MEANS AND A PLURALITY OF COOPERATIVELY INTERFITTING CORES SUPPORTED ON THE OTHER OF SAID SUPPORTING MEANS IN BALANCED PAIRS BY CONNECTING MEANS, RELATIVE LATERAL MOVEMENT BETWEEN SAID SUPPORTING MEANS VERTICALLY
References Cited (Backward Citations)
US2584534A
Cited
US2583842A
Cited
US2888731A
Cited
US3002248A
Cited
US2929104A
Cited
US2963762A
Cited
US2921336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |