Patent US1989261A successfully refreshed from Google Patents.
Patent US3250668A successfully refreshed from Google Patents.
US3250668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp molding assembly including pressing bladder
Assignee: Beloit Corp
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Filing: 1963-09-27
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Granted: 1966-05-10
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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 18:38
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,
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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 |