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US3201309A Expired / Lapsed US ⏱️ 0.0 years remaining

Cylinder mold for paper making machine

Assignee: Beloit Corp
•
Filing: 1962-01-11
•
Granted: 1965-08-17
•
Expires: 1982-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Louis M Stuebe
  • 👤 Joseph D Parker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:06
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 118 words
IN A CYLINDER MOLD MACHINE HAVING A ROTATABLE FORMING CYLINDER RECEIVING WHITE WATER THEREIN, THE IMPROVEMENT OF ACIALLY SPACED PROPELLAR-TYPE BLADES IN THE CYLINDER EXTENDING RADIALLY FROM THE ACIS OF THE CYLINDER FOR INDUCING WATER FLOW TO BOTH ENDS OF THE CYLINDER, EACH OF SAID BLADES HAVING AN ANGLE SUCH THAT THE BLADE ANGLES OF THE BLADES HAVING AN ANGLE SUCH THAT THE BLADE ANGLES OF THE BLADES AT THE ENDS OF THE CYLINDER ARE GREATER AND THE BLADE ANGLES OF THE BLADES SITUATED AXIALLY INWARDLY TOWARD THE CENTER OF THE CYLINDER ARE PROGRESSIVELY LESS SO AS TO MAINTAIN A UNIFORMM WATER LEVEL IN THE CYLINDER AND THEREBY EFFECT UNIFORM PAPER FORMATION ACROSS THE WIDTH OF THE MACHINE.
Claim 2
Dependent Claim 118 words
IN A CYLINDER MOLD MACHINE HAVING A ROTATABLE FORMING CYLINDER RECEIVING WHITE WATER THEREIN, THE IMPROVEMENT OF ACIALLY SPACED PROPELLAR-TYPE BLADES IN THE CYLINDER EXTENDING RADIALLY FROM THE ACIS OF THE CYLINDER FOR INDUCING WATER FLOW TO BOTH ENDS OF THE CYLINDER, EACH OF SAID BLADES HAVING AN ANGLE SUCH THAT THE BLADE ANGLES OF THE BLADES HAVING AN ANGLE SUCH THAT THE BLADE ANGLES OF THE BLADES AT THE ENDS OF THE CYLINDER ARE GREATER AND THE BLADE ANGLES OF THE BLADES SITUATED AXIALLY INWARDLY TOWARD THE CENTER OF THE CYLINDER ARE PROGRESSIVELY LESS SO AS TO MAINTAIN A UNIFORMM WATER LEVEL IN THE CYLINDER AND THEREBY EFFECT UNIFORM PAPER FORMATION ACROSS THE WIDTH OF THE MACHINE.

References Cited (Backward Citations)

DE296228C Cited
US581732A Cited
US811660A Cited
US2669910A Cited
US3007576A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-16 1969-02-15 1969-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-16 1973-02-15 1973-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-16 1977-02-15 1977-08-17 $7700.00 Window Closed / Lapsed

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