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US3720068A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for splicing replacement pile section to pile stub

Assignee: Individual
•
Filing: 1972-04-12
•
Granted: 1973-03-13
•
Expires: 1992-04-12
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Abstract

Abstract METHOD AND APPARATUS FOR SPLICING REPLACEMENT PILE SECTION TO PILE STUB, WHEREIN THE REPLACEMENT PILE SECTION IS MOVED INTO AXIAL ALIGNMENT WITH RESPECT TO THE PILE STUB SO THAT THE FORMER WILL BE MOUNTED ON THE LATTER, WITH A WATERPROOF ADHESIVE BEING PLACED THEREBETWEEN TO PROVIDE A BOUNDED JOINT. MOREOVER, A PLURALITY OF CONNECTOR PLATES ARE NAILED TO THE REPLACEMENT PILE SECTION AND THE PILE STUB TO OVERLAP THE JOINT, AND LAYERS OF WATERPROOF MASTIC ARE PLACED OVER THE CONNECTOR PLATES? AND THEN FELT, OR THE LIKE, IS DISPOSED OVER THE MASTIC TO PROTECT A RESILIENT TUBULAR BOOT FROM DAMAGE BY THE NAIL HEADS WHEN THE BOOT IS SUBSEQUENTLY ROLLED OVER THE JOINT. D R A W I N G

Inventors

  • 👤 Rosa E De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:22
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/64; Y; Y10; Y10S; Y10S403/00; Y10S403/05; Y10T; Y10T403/00; Y10T403/50; Y10T403/55; Y10T403/551

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1976-03-12 1976-09-11 1977-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-12 1980-09-11 1981-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-12 1984-09-11 1985-03-13 $7700.00 Window Closed / Lapsed

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