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US3299546A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary snow plow

Assignee: Individual
•
Filing: 1964-04-13
•
Granted: 1967-01-24
•
Expires: 1984-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Alvin C Ibisch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 13:55
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/08; E01H5/09; E01H5/096

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 277 words
IN A ROTARY SNOW PLOW, A ROTOR COMPRISING: (A) A SUBSTANTIALLY CIRCULAR BACK PLATE HAVING A FRONT FACE AND A REAR FACE, (B) A PLURALITY OF SUBSTANTIALLY FLAT PADDLES HAVING A FORWARD EDGE AND A REAR EDGE AND BEING SECURED AT SAID REAR EDGE TO SAID BACK PLATE FRONT FACE IN SUBSTANTIALLY PERPENDICULAR RELATION, (C) EACH OF SAID PADDLES BEING SECURED TO THE NEXT ADJACENT PADDLE TO FORM A HOUSING EXTENDING OUTWARDLY FROM THE CENTER OF SAID BACK PLATE FRONT FACE IN SUBSTANTIALLY PERPENDICULAR RELATION, (D) SAID HOUSING BEING ADAPTED TO BE FIXEDLY MOUNTED ON A SUBSTANTIALLY HORIZONTAL ROTATABLE SHAFT, (E) SAID BACK PLATE AND SAID PADDLES DEFINING A PLURALITY OF SUBSTANTIALLY EQUAL SIZE POCKETS, (F) A BLADE SECURED IN FRONT OF EACH OF SAID POCKETS, THE OUTLINE OF SAID BLADES BEING APPROXIMATELY THE SAME AS THAT OF THE CROSS-SECTION OF THE ADJACENT POCKET, (G) EACH BLADE HAVING A FIRST FLAT PORTION HAVING A CIRCUMFERENTIAL EDGE AND A SECOND FORWARDLY SLOPING PORTION HAVING A CIRCUMFERENTIAL EDGE WHEREBY AN OPENING IS DEFINED BETWEEN THE ADJACENT FIRST AND SECOND PORTIONS OF EACH ADJACENT PAIR OF BLADES TO PROVIDE A FRONT ENTRANCE TO EACH POCKET, (H) A CIRCUMFERENTIAL TRIANGULAR-SHAPED PANEL SECURED TO SAID ADJACENT FIRST AND SECOND PORTIONS OF EACH ADJACENT PAIR OF BLADES EACH OF SAID CIRCUMFERENTIAL TRIANGULAR-SHAPED PANELS EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH OF THE CIRCUMFERENTIAL EDGE OF THE SECOND PORTION TO WHICH IT IS ATTACHED AND ONLY A PORTION OF THE LENGTH OF THE CIRCUMFERENTIAL EDGE OF THE FIRST PORTION TO WHICH IT IS ATTACHED, SAID TRIANGULARSHAPED PANELS PROVING A SERIES OF ARCUATE CUTTING EDGES BETWEEN SAID FIRST AND SECOND PORTION OF EACH ADJACENT PAIR OF BLADES.
Claim 2
Dependent Claim 277 words
IN A ROTARY SNOW PLOW, A ROTOR COMPRISING: (A) A SUBSTANTIALLY CIRCULAR BACK PLATE HAVING A FRONT FACE AND A REAR FACE, (B) A PLURALITY OF SUBSTANTIALLY FLAT PADDLES HAVING A FORWARD EDGE AND A REAR EDGE AND BEING SECURED AT SAID REAR EDGE TO SAID BACK PLATE FRONT FACE IN SUBSTANTIALLY PERPENDICULAR RELATION, (C) EACH OF SAID PADDLES BEING SECURED TO THE NEXT ADJACENT PADDLE TO FORM A HOUSING EXTENDING OUTWARDLY FROM THE CENTER OF SAID BACK PLATE FRONT FACE IN SUBSTANTIALLY PERPENDICULAR RELATION, (D) SAID HOUSING BEING ADAPTED TO BE FIXEDLY MOUNTED ON A SUBSTANTIALLY HORIZONTAL ROTATABLE SHAFT, (E) SAID BACK PLATE AND SAID PADDLES DEFINING A PLURALITY OF SUBSTANTIALLY EQUAL SIZE POCKETS, (F) A BLADE SECURED IN FRONT OF EACH OF SAID POCKETS, THE OUTLINE OF SAID BLADES BEING APPROXIMATELY THE SAME AS THAT OF THE CROSS-SECTION OF THE ADJACENT POCKET, (G) EACH BLADE HAVING A FIRST FLAT PORTION HAVING A CIRCUMFERENTIAL EDGE AND A SECOND FORWARDLY SLOPING PORTION HAVING A CIRCUMFERENTIAL EDGE WHEREBY AN OPENING IS DEFINED BETWEEN THE ADJACENT FIRST AND SECOND PORTIONS OF EACH ADJACENT PAIR OF BLADES TO PROVIDE A FRONT ENTRANCE TO EACH POCKET, (H) A CIRCUMFERENTIAL TRIANGULAR-SHAPED PANEL SECURED TO SAID ADJACENT FIRST AND SECOND PORTIONS OF EACH ADJACENT PAIR OF BLADES EACH OF SAID CIRCUMFERENTIAL TRIANGULAR-SHAPED PANELS EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH OF THE CIRCUMFERENTIAL EDGE OF THE SECOND PORTION TO WHICH IT IS ATTACHED AND ONLY A PORTION OF THE LENGTH OF THE CIRCUMFERENTIAL EDGE OF THE FIRST PORTION TO WHICH IT IS ATTACHED, SAID TRIANGULARSHAPED PANELS PROVING A SERIES OF ARCUATE CUTTING EDGES BETWEEN SAID FIRST AND SECOND PORTION OF EACH ADJACENT PAIR OF BLADES.

References Cited (Backward Citations)

US338759A Cited
US450487A Cited
US541766A Cited
US1703740A Cited
US1770587A Cited
US2518622A Cited
US2769254A Cited
US2971279A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-23 1970-07-25 1971-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-23 1974-07-25 1975-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-23 1978-07-25 1979-01-24 $7700.00 Window Closed / Lapsed

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