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US3289379A Expired / Lapsed US ⏱️ 0.0 years remaining

Hanger insert for prestressed concrete

Assignee: Individual
•
Filing: 1963-10-09
•
Granted: 1966-12-06
•
Expires: 1983-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 John L Watts

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 03:14
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/20; B; B28; B28B; B28B23/00; B28B23/005; B28B23/02; B28B23/022; B28B23/024; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4171; F; F21; F21V; F21V21/00; F21V21/02; E04B2001/4192

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
AN INSERT FOR A CONCRETE STRUCTURAL MEMBER ADAPTED TO BE WEDGED BETWEEN A PART OF A METAL FORM AND A LOWERMOST TENSIONED WIRE ROPE DISPOSED PARALLEL TO SAID FORM PART COMPRISING, A LOWER SECTION AND AN UPPER SECTION, SAID LOWER SECTION COMPRISING AN UPRIGHT STEM HAVING A SUBSTANTIALY FLAT BOTTOM SURFACE ADAPTED TO REST FLUSH ON AN UPPER SURFACE OF A PART OF A FORM, SAID STEM HAVING A LONGITUDINAL BORE OPENING OUTWARDLY OF SAID BOTTOM SURFACE, ARMS EXTENDING RADIALLY FROM SAID STEM AND DISPOSED ABOVE AND SPACED FROM SAID BOTTOM SURFACE AND IN SPACED APART RELATION TO ONE ANOTHER, SOLID FOOT MEMBERS DEPENDING FROM OUTER PORTIONS OF SAID ARMS AND HAVING LOWER ENDS DISPOSED COPLANAR WITH ONE ANOTHER AND WITH SAID BOTTOM SURFACE AND ADAPTED TO REST ON SAID UPPER SURFACE OF THE FORM PART; SAID UPPER SECTION COMPRISING A DOWNWARDLY OPENING SOCKET HAVING A SMOOTH BORE ENGAGING DETACHABLY OVER A SMOOTH EXTERIOR OF THE UPPER END OF SAID STEM AND AN UPWARDLY OPENING YOKE, CONSISTING OF A BASE PORTION AND UPSTANDING SPACED APART TERMINAL ELEMENTS, IN WHICH A TENSIONED WIRE ROPE IS ADAPTED TO SEAT FOR WEDGING THE INSERT BETWEEN THE WIRE AND SAID UPPER SURFACE OF THE FORM PART TO BE EMBEDDED IN CONCRETE APPLIED TO SAID FORM SUCH THAT SAID BOTTOM SURFACE OF THE STEM AND THE LOWER ENDS OF SAID FOOT MEMBERS WILL BE EXPOSED WHEN THE FORM IS REMOVED FROM THE SET CONCRETE, SAID BORE BEING ADAPTED TO RECEIVE AND SECURE A HANGER BRACKET FASTENING TO THE INSERT FOR SUSPENDING A HANGER BRACKET THEREBENEATH SAID BENEATH THE CONCRETE STRUCTURAL MEMBER.
Claim 2
Dependent Claim 266 words
AN INSERT FOR A CONCRETE STRUCTURAL MEMBER ADAPTED TO BE WEDGED BETWEEN A PART OF A METAL FORM AND A LOWERMOST TENSIONED WIRE ROPE DISPOSED PARALLEL TO SAID FORM PART COMPRISING, A LOWER SECTION AND AN UPPER SECTION, SAID LOWER SECTION COMPRISING AN UPRIGHT STEM HAVING A SUBSTANTIALY FLAT BOTTOM SURFACE ADAPTED TO REST FLUSH ON AN UPPER SURFACE OF A PART OF A FORM, SAID STEM HAVING A LONGITUDINAL BORE OPENING OUTWARDLY OF SAID BOTTOM SURFACE, ARMS EXTENDING RADIALLY FROM SAID STEM AND DISPOSED ABOVE AND SPACED FROM SAID BOTTOM SURFACE AND IN SPACED APART RELATION TO ONE ANOTHER, SOLID FOOT MEMBERS DEPENDING FROM OUTER PORTIONS OF SAID ARMS AND HAVING LOWER ENDS DISPOSED COPLANAR WITH ONE ANOTHER AND WITH SAID BOTTOM SURFACE AND ADAPTED TO REST ON SAID UPPER SURFACE OF THE FORM PART; SAID UPPER SECTION COMPRISING A DOWNWARDLY OPENING SOCKET HAVING A SMOOTH BORE ENGAGING DETACHABLY OVER A SMOOTH EXTERIOR OF THE UPPER END OF SAID STEM AND AN UPWARDLY OPENING YOKE, CONSISTING OF A BASE PORTION AND UPSTANDING SPACED APART TERMINAL ELEMENTS, IN WHICH A TENSIONED WIRE ROPE IS ADAPTED TO SEAT FOR WEDGING THE INSERT BETWEEN THE WIRE AND SAID UPPER SURFACE OF THE FORM PART TO BE EMBEDDED IN CONCRETE APPLIED TO SAID FORM SUCH THAT SAID BOTTOM SURFACE OF THE STEM AND THE LOWER ENDS OF SAID FOOT MEMBERS WILL BE EXPOSED WHEN THE FORM IS REMOVED FROM THE SET CONCRETE, SAID BORE BEING ADAPTED TO RECEIVE AND SECURE A HANGER BRACKET FASTENING TO THE INSERT FOR SUSPENDING A HANGER BRACKET THEREBENEATH SAID BENEATH THE CONCRETE STRUCTURAL MEMBER.

References Cited (Backward Citations)

US1088290A Cited
US1218378A Cited
US1677140A Cited
US2306671A Cited
US2867041A Cited
US3099108A Cited
US3225506A Cited
US3209509A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-05 1970-06-06 1970-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-05 1974-06-06 1974-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-05 1978-06-06 1978-12-06 $7700.00 Window Closed / Lapsed

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