US2904461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling flow of stock through a slice jet
Assignee: Beloit Iron Works Inc
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Filing: 1957-08-23
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Granted: 1959-09-15
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Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
- 👤 Robert S Washburn
- 👤 Charles W E Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:11
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A HEAD BOX FOR A PAPER MACHINE COMPRISING FRONT, SIDE AND REAR WALLS AND A BOTTOM EXTENDING LONGITUDINALLY FROM AN INLET OPENING AT ONE END FOR RECEIVING STOCK FROM A SOURCE THEREOF TO AN OUTLET OPENING AT THE OTHER END FOR FLOWING STOCK ONTO A FORMING WIRE OF THE PAPER MACHINE, AND CONDUIT MEANS CONNECTED TO SAID SOURCE OF STOCK HAVING LATERALLY SPACED INDEPENDENTLY ADJUSTABLE FLOW CONTROL MEANS FEEDING STOCK INTO SAID HEAD BOX INTERMEDIATE THE INLET OPENING AND THE OUTLET OPENING.
Claim 2
Dependent Claim
82 words
A HEAD BOX FOR A PAPER MACHINE COMPRISING FRONT, SIDE AND REAR WALLS AND A BOTTOM EXTENDING LONGITUDINALLY FROM AN INLET OPENING AT ONE END FOR RECEIVING STOCK FROM A SOURCE THEREOF TO AN OUTLET OPENING AT THE OTHER END FOR FLOWING STOCK ONTO A FORMING WIRE OF THE PAPER MACHINE, AND CONDUIT MEANS CONNECTED TO SAID SOURCE OF STOCK HAVING LATERALLY SPACED INDEPENDENTLY ADJUSTABLE FLOW CONTROL MEANS FEEDING STOCK INTO SAID HEAD BOX INTERMEDIATE THE INLET OPENING AND THE OUTLET OPENING.
References Cited (Backward Citations)
US2736247A
Cited
US1662226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |