US2760412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for reducing edge flash in pulp molded articles
Assignee: Keyes Fibre Corp
•
Filing: 1952-02-23
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Granted: 1956-08-28
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Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Raoul P Lemieux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:55
CPC Classifications
D; D21; D21J; D21J5/00; D21J7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A PULP MOLDING APPARATUS, A TANK FOR HOLDING A PULP FIBER SLURRY, A FORMING DIE MOUNTED FOR MOVEMENT THROUGH SAID PULP FIBER SLURRY, SAID FORMING DIE HAVING MEANS THEREON FOR DEPOSITING A LOOSELY FORMED, WET MASS OF FIBERS ON THE DIE FACE THEREOF, AND A FLASH REDUCING MECHANISM SPACED FROM SAID TANK AND IN OPPOSED RELATION TO SAID DIE FACE WHEN SAID FORMING DIE IS IN A PREDETERMINED POSITION OUTSIDE SAID SLURRY, SAID
Claim 2
Dependent Claim
74 words
IN A PULP MOLDING APPARATUS, A TANK FOR HOLDING A PULP FIBER SLURRY, A FORMING DIE MOUNTED FOR MOVEMENT THROUGH SAID PULP FIBER SLURRY, SAID FORMING DIE HAVING MEANS THEREON FOR DEPOSITING A LOOSELY FORMED, WET MASS OF FIBERS ON THE DIE FACE THEREOF, AND A FLASH REDUCING MECHANISM SPACED FROM SAID TANK AND IN OPPOSED RELATION TO SAID DIE FACE WHEN SAID FORMING DIE IS IN A PREDETERMINED POSITION OUTSIDE SAID SLURRY, SAID
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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) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |