U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Cribwalling

Patent 4664562 Issued on May 12, 1987. Estimated Expiration Date: Icon_subject August 10, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1215537

1262224

1485381

1500119

1596759

1666250

1703303

1773579

1787199

1953005

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Inventors

Application

No. 06/639484 filed on 08/10/1984

US Classes:

405/273, Cribbing405/284Retaining wall

Examiners

Primary: Leppink, James A.
Assistant: Smith, Matthew

Attorney, Agent or Firm

International Class

E02D 29/02 (20060101)

Foreign Application Priority Data

1980-10-30 NZ

Abstract

A cribwall comprising(A) a skeletal wall structure made up of components such that there is(i) a plurality of tiers of headers each substantially normal to the general plane of the wall, each header having front and rear end rebates top and bottom, and with each header of one tier being above and/or below a header of an adjacent header,(ii) wall wise extending stretchers each of which spans at least two headers of a tier and the corresponding at least two headers of an adjacent tier and is located between the tiers by the said front end top and bottom rebates of the proximate headers,(iii) rear end header spacing means selected from wall-wise extending stretchers or keyblocks which are interposed between each pair of adjacent tiered headers and are located by said rear top and bottom rebates thereof, and(iv) header support blocks interposed between at least some of the tiered headers between a stretcher and the rear end header spacing means so as to enhance the load carrying capability of the resultant structure, and(B) fill material at least substantially filling said skeletal wall structure. The formed in wood of substantially rectangular cross-section and having top and bottom (i) a lengthwise extending groove and (ii) rebates adjacent each end that extend fully across the transverse section.

Other References

  • European Search Report EP 84 30 6105, May 30, 1985, the Hague, Netherlands (with Annex)
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