US3218227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockoff shower for a fourdrinier machine
Assignee: Beloit Corp
•
Filing: 1963-04-22
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Granted: 1965-11-16
•
Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Moore
- 👤 Thomas G Mckie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:56
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN A FOUNDRINIER PAPER MAKING MACHINE HAVING A FOURDRINIER WIRE LOOP WITH MEANS FOR SUPPLYING STOCK TO THE WIRE AND DE-WATERING A WEB FORMED ON THE WIRE AND DELIVERED TO A PRESS SECTION, A KNOCK-OFF SHOWER ASSEMBLY POSITIONED WITHIN THE WIRE LOOP FOR REMOVING THE WEB FROM THE RETURN RUN OF THE WIRE LOOP AND DIRECTING THE WEB DOWN INTO A WIRE PIT WHEN THE WEB INADVERTENTLY FOLLOWS THE RETURN WIRE RUN COMPRISING, AN ELONGATE TUBE FOR EXTENDING ACROSS THE WIDTH OF AND WITHIN THE FOURDRINIER WIRE LOOP AND HAVING A PRESSURE CHAMBER WHEREIN, SAID TUBE HAVING A PLURALITY OF HIGH VELOCITY DISCHARGE OPENINGS DIRECTED RADIALLY DOWNWARDLY,
References Cited (Backward Citations)
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |