Patent US3091831A successfully refreshed from Google Patents.
US3091831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit block making machine
Assignee: Individual
•
Filing: 1961-03-06
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Granted: 1963-06-04
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Paul E Rauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:44
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.
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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) | 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 |