US3250668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp molding assembly including pressing bladder
Assignee: Beloit Corp
•
Filing: 1963-09-27
•
Granted: 1966-05-10
•
Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Charles W Modersohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:42
CPC Classifications
D; D21; D21J; D21J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A MOLDING ASSEMBLY THE COMBINATION COMPRISING, A HOLLOW MOLD HAVING A TAPERED IMPERMEABLE SURFACE AND A WALL WITH A FLUID PERMEABLE AREA EXTENDING FROM SAID TAPERED SURFACE FOR DRAWING FLUID THERETHROUGH TO DEPOSIT MATERIAL IN FLUID SUSPENSION ON THE INNER SURFACE THEREOF, AND A WIPER MEMBER MOVABLE INTO SAID MOLD OVER THE TAPERED SURFACE FOR FORMING A SHOULDER ON THE EDGE OF AN ARTICLE FORMED IN SAID MOLD.
Claim 2
Independent Claim
50 words
THE METHOD OF FORMING A MOLDED ARTICLE ON THE SURFACE OF A FLUID PERMEABLE WALL HAVING AN ADJOINING COPLANAR TAPERED IMPERMEABLE SURFACE WHICH COMPRISES, CREATING A PRESSURE DIFFERENTIAL ACROSS SAID PERMEABLE WALL FOR DEPOSITING A LAYER OF MATERIAL SUSPENDED IN A FLUID CARRIER ON THE SURFACE OF THE PERMEABLE WALL,
References Cited (Backward Citations)
US240091A
Cited
US2734430A
Cited
CA571117A
Cited
US1748865A
Cited
US1838761A
Cited
US1907795A
Cited
US2922476A
Cited
US2958623A
Cited
US2948337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |