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US3091831A Expired / Lapsed US ⏱️ 0.0 years remaining

Conduit block making machine

Assignee: Individual
•
Filing: 1961-03-06
•
Granted: 1963-06-04
•
Expires: 1981-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Paul E Rauch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:29
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/18; B28B7/183

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 214 words
A CONDUIT BLOCK MAKING MACHINE ADAPTED FOR RECEIVING A MOLD BOX FOR MOLDABLE MATERIAL COMPRISING A FRAME, A HEAD MOUNTED ON SAID FRAME AND ADAPTED FOR RECIPROCAL VERTICAL TRAVEL THEREALONG, PRIME MOVING MEANS CARRIED ON HEAD, A PLURALITY OF ELONGATED, VERTICALLY PRESENTED SHAFTS ADAPTED FOR ROTATION BY SAID PRIME MOVING MEANS AND CARRIED BY SAID HEAD FOR DOWNWARD EXTENSION THEREFORM, A PLURALITY OF ELONGATED ROD MEMBERS SUPPORTED FROM SAID HEAD FOR MOVEMENT THEREWITH BEING IN DOWNWARD EXTENSION THEREFROM IN NORMALLY AXIAL PARALLELISM WITH SAID SHAFTS, SAID ROD MEMBERS BEING OF LESS DIAMETER THAN SAID SHAFTS, EACH ROD MEMBER BEING POSITIONED BETWEEN AT LEAST TWO SHAFTS, A PACKING HEAD CARRIED ON THE LOWER END OF EACH SHAFT, EACH ROD MEMBER BEING OF SLIGHTLY LESS LENGTH THAN THE COMBINED LENGTHS OF EACH SHAFT AND ITS ASSOCIATED PACKING HEAD AND MEANS LOCATED SPACEDLY DOWNWARDLY OF SAID HEAD FOR ENGAGING THE LOWER END OF THE MOLD BOX FOR SUPPORTING AND POSITIONING SAME FOR RECEPTION AT ITS LOWER END OF THE LOWER PORTIONS OF SAID SHAFTS AND ROD MEMBERS WHEN SAID HEAD IS IN LOWERED POSITION WHEREBY UPON UPWARD TRAVEL OF SAID HEAD SAID SHAFTS AND ROD MEMBERS WILL BE DRAWN THROUGH THE MOLDABLE MATERIAL FOR FORMATION OF OPENINGS THEREIN EXTENDING FROM END TO END OF THE BLOCK FORMED.
Claim 2
Dependent Claim 214 words
A CONDUIT BLOCK MAKING MACHINE ADAPTED FOR RECEIVING A MOLD BOX FOR MOLDABLE MATERIAL COMPRISING A FRAME, A HEAD MOUNTED ON SAID FRAME AND ADAPTED FOR RECIPROCAL VERTICAL TRAVEL THEREALONG, PRIME MOVING MEANS CARRIED ON HEAD, A PLURALITY OF ELONGATED, VERTICALLY PRESENTED SHAFTS ADAPTED FOR ROTATION BY SAID PRIME MOVING MEANS AND CARRIED BY SAID HEAD FOR DOWNWARD EXTENSION THEREFORM, A PLURALITY OF ELONGATED ROD MEMBERS SUPPORTED FROM SAID HEAD FOR MOVEMENT THEREWITH BEING IN DOWNWARD EXTENSION THEREFROM IN NORMALLY AXIAL PARALLELISM WITH SAID SHAFTS, SAID ROD MEMBERS BEING OF LESS DIAMETER THAN SAID SHAFTS, EACH ROD MEMBER BEING POSITIONED BETWEEN AT LEAST TWO SHAFTS, A PACKING HEAD CARRIED ON THE LOWER END OF EACH SHAFT, EACH ROD MEMBER BEING OF SLIGHTLY LESS LENGTH THAN THE COMBINED LENGTHS OF EACH SHAFT AND ITS ASSOCIATED PACKING HEAD AND MEANS LOCATED SPACEDLY DOWNWARDLY OF SAID HEAD FOR ENGAGING THE LOWER END OF THE MOLD BOX FOR SUPPORTING AND POSITIONING SAME FOR RECEPTION AT ITS LOWER END OF THE LOWER PORTIONS OF SAID SHAFTS AND ROD MEMBERS WHEN SAID HEAD IS IN LOWERED POSITION WHEREBY UPON UPWARD TRAVEL OF SAID HEAD SAID SHAFTS AND ROD MEMBERS WILL BE DRAWN THROUGH THE MOLDABLE MATERIAL FOR FORMATION OF OPENINGS THEREIN EXTENDING FROM END TO END OF THE BLOCK FORMED.

References Cited (Backward Citations)

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US392069A Cited
US614725A Cited
US1937350A Cited
US1027492A Cited
US1423983A Cited
US1828890A Cited
US2525275A Cited
US2612672A Cited
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US3000070A Cited
US2994936A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-06-03 1966-12-03 1967-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-06-03 1970-12-03 1971-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-06-03 1974-12-03 1975-06-04 $7700.00 Window Closed / Lapsed

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